Y=7/8x-21

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Solution for Y=7/8x-21 equation: 


x in (-oo:+oo)

Y = (7/8)*x-21 // - (7/8)*x-21

Y-((7/8)*x)+21 = 0

Y+(-7/8)*x+21 = 0

Y-7/8*x+21 = 0 // - Y+21

-7/8*x = -(Y+21) // : -7/8

x = (-(Y+21))/(-7/8)

x = 8/7*(Y+21)

x = 8/7*(Y+21)

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