SOLUTION: If m ∠ ABC = 2x + 20 and ∠ CBD = 5x -15 find the value of x so that ∠ ABC and ∠ CBD form a linear pair.

SOLUTION: If m ∠ ABC = 2x + 20 and ∠ CBD = 5x -15 find the value of x so that ∠ ABC and ∠ CBD form a linear pair.

Algebra.Com

Question 517506: If m ∠ ABC = 2x + 20 and ∠ CBD = 5x -15
find the value of x so that ∠ ABC and
∠ CBD form a linear pair.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
2x + 20 + 5x - 15 = 180

7x = 175
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