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Hint: 180 take away 70... 180o - 70o = 110o
90 - 20 = 70 degrees.
Let the angle be A, then the supplementary angle is (180 - A) and the complementary angle is (90 - A). 180 - A = 70 + 5(90 - A) = 70 + 450 - 5A = 520 - 5A 4A = 520 - 180 = 340 A = 85° Then, 95 = 70 + 5(5) = 70 + 25 = 95