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Find the measure of an angle u if 7 times it's complement is 10 less than 3 times it's supplement?
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Find the measure of an angle u if 7 times it's complement is 10 less t...
Let the angle be x
measure of its complement = (90-x)
measure of its supplement= (180-x)
7(90-x) =3(180-x)-10

630 - 7x=540x-3x -10

-7x+3x= 530-630
-4x=-100

x= 100/4
x=25
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Find the measure of an angle u if 7 times it's complement is 10 less than 3 times it's supplement?
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