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Find x.

Supplementary angles with measures 10x+7 and 7x+3.

Complementary angles with measures 3x-5 and 6x-40.

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10x+7 + 7x+3 = 180

3x-5 + 6x-40 = 90

I think that is how you set it up.

10x+7+7x+3

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