y=(7/4)x-21

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Solution for y=(7/4)x-21 equation: 


x in (-oo:+oo)

y = (7/4)*x-21 // - (7/4)*x-21

y-((7/4)*x)+21 = 0

(-7/4)*x+y+21 = 0

y-7/4*x+21 = 0 // - y+21

-7/4*x = -(y+21) // : -7/4

x = (-(y+21))/(-7/4)

x = 4/7*(y+21)

x = 4/7*(y+21)

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