Posted by **Mika** on Wednesday, September 28, 2011 at 9:37am.

If L (3x + 50 degrees)is parallel to M (2x - 20 degrees) find X.

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**bobpursley**, Wednesday, September 28, 2011 at 9:39am
What is L and M? Lines? IF so, what is this degree business in the parenthesis?

If L and M are angles, how can angles be parallel.

I can make no sense of what you posted.

- math -
**Steve**, Wednesday, September 28, 2011 at 11:12am
I assume you mean

the slope of Line L = 3x+50

the slope of line M = 2x-20

If the lines are parallel, the slopes are equal. So,

3x+50 = 2x-20

x = -70

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