Question

Find measure of an angle if 8times it's complement is 20degree less than 3 times its supplement

Answer 1

Your equation will be 8(90 - x) = 3(180 - x) - 20

Simplify 720 - 8x = 540 - 3x - 20

720 - 8x = 520 - 3x

200 = 5x

x = 40 which is the measure of your angle

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