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In the figure, m<1 = (2x)° and m<2 = (x+87)°. Write and equation to find x.

In the figure, m<1 = (2x)° and m<2 = (x+87)°. Write and equation to find x.-example-1

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m(1) + m(2) = 180


2x + x + 87 = 180


3x + 87 = 180

Subtract both sides 87


3x + 87 - 87 = 180 - 87


3x = 93

Divide both sides by 3


(3x)/(3) = (93)/(3) \\


x = 31

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