find the measure if an angle if 7 times its complement is 10 degree less than three times its supplement
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Step-by-step explanation:
let the measure of angle be x
complement: 90-x
supplement : 180-x
7(90-x)= 3(180-x)-10
630-7x= 540-3x-10
630-7x=530-3x
7x-3x=630-530
4x=100
x=25⁰
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