Find the measure of an angle such that the sum of its supplement and four times its complement is 13° less than twice the angle.
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Angle=79°

Step-by-step explanation:

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y=-2.5x+12.5

step-by-step explanation:

5y=2x+10

y=0.4x+2

slope=-2.5

5=-2.5*3+b

b=12.5

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