[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 472: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 112: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 112: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/bbcode.php on line 112: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Notice: in file /includes/functions.php on line 3391: Cannot modify header information - headers already sent by (output started at /includes/functions.php:2922)
[phpBB Debug] PHP Notice: in file /includes/functions.php on line 3393: Cannot modify header information - headers already sent by (output started at /includes/functions.php:2922)
[phpBB Debug] PHP Notice: in file /includes/functions.php on line 3394: Cannot modify header information - headers already sent by (output started at /includes/functions.php:2922)
[phpBB Debug] PHP Notice: in file /includes/functions.php on line 3395: Cannot modify header information - headers already sent by (output started at /includes/functions.php:2922)
Scholieren.be • View topic - Vergelijkingen van de eerste graad oplossen?

Vergelijkingen van de eerste graad oplossen?

Alles over de vakken : wiskunde, biologie, scheikunde, natuurkunde, informatica

Moderator: bulbanos

Vergelijkingen van de eerste graad oplossen?

Postby Elfi on Sat 13 May, 2006 11:58

Ik moet vier oefeningen maken en twee heb ik juist (proefje gemaakt) maar de andere twee komen maar niet uit. Ik weet echt niet wat ik fout doe. Kan iemand me helpen?

mijn oefeningen: -x+7(3x-6)=3(8-x) <=> -x+21x-42=24-3x <=> 20x-42=24-3x <=> 23x-42=24 <=>23x=66 <=> x= 66/23

En de tweede.....
-6(3-x)=-6(3-x)+7(-2x+1) <=> -18+6x=-18+6x+ (-14x)+7 <=> -18+6x=-18+ (-8x)+7 <=> 6x= -8x+7 <=> -2x=7 <=> x=-3,5

Kan iemand uitleggen wat ik fout doe? Thx
Elfi
 

Postby ezachio on Sat 13 May, 2006 16:32

bij die 2de zou ik gewoon doen

En de tweede.....
-6(3-x)=-6(3-x)+7(-2x+1) <=> in beide leden -6(3-x) schrappen
<=> 0= 7(-2x+1) <=>14x=7 <=>X= 1/2
ezachio
Elite Guard
 
Posts: 4049
Joined: Sun 15 Jun, 2003 05:53

Postby Z on Sat 13 May, 2006 19:50

"Doris, let's play house. You'll be the door and I'll shut you!"
"I'll tell you in an other life, when we are both cats"
Z
Elite
 
Posts: 5908
Joined: Sun 03 Jun, 2001 01:00
Location: Bruxelles

Postby hendiadys on Sat 13 May, 2006 19:53

hendiadys
Lid
 
Posts: 29
Joined: Mon 24 Apr, 2006 22:39

't is alweer verbeterd

Postby bbjoe on Tue 23 May, 2006 12:46

bbjoe
 


Return to Wetenschappen

Who is online

Users browsing this forum: No registered users and 1 guest

cron