Khan/khan-exercises — Issue #12888: Parallel lines 2 - Question Wrong
Author: KhanBugz
Created: 2012-02-02 16:29:49+00:00
State: open
Labels: firefox, wrong-or-unclear, xp

Reporter: lucassedrez@hotmail.com

6x + 158 = 3x + 125
6x - 3x = 125 - 158
3x = -33
x = -11
There are no negative angles, right?

[parallel_lines_2.html?seed=81&problem=0 (corresponding_angles_2)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/parallel_lines_2.html?seed=81&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/parallel_lines_2.html?seed=81&problem=0&debug&activity=%5B%5D)

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