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21-09-2020
Mathematics

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ZD and ZE are complementary. If m2D = 5x + 3 and mZE = 3x - 1, what is the measure of ZD?

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21-09-2020

ZD = -7

Because ZD = ZE
So...
5x + 3 = 3x-1
x = -2
So
5(-2) + 3...
Answer is -7

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