Khan/khan-exercises — Issue #10585: Linear equations 4 - sign
Author: KhanBugz
Created: 2012-01-07 00:23:06+00:00
State: open
Labels: chrome, vista, wrong-or-unclear

Reporter: Ora_49@hotmail.com

i solved a problem on here and i don't understand why is the answer turned out to be a positive , when a negative time a positive = negative right? please explain because i don't understand. equation 3= -4
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4x+3
my answer i got was 12x-9= -4 but you got 12x+9=- 4

[linear_equations_4.html?seed=42&problem=x-on-bottom](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/linear_equations_4.html?seed=42&problem=x-on-bottom&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/linear_equations_4.html?seed=42&problem=x-on-bottom&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%22-1%5C%22%5D%22%2C191%5D%2C%5B%22hint-activity%22%2C%220%22%2C9%5D%5D)

[["-1"]]

Mozilla/5.0 (Windows NT 6.0; WOW64) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.63 Safari/535.7

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