y=7/3x-21

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Solution for y=7/3x-21 equation: 


x in (-oo:+oo)

y = (7/3)*x-21 // - (7/3)*x-21

y-((7/3)*x)+21 = 0

(-7/3)*x+y+21 = 0

y-7/3*x+21 = 0 // - y+21

-7/3*x = -(y+21) // : -7/3

x = (-(y+21))/(-7/3)

x = 3/7*(y+21)

x = 3/7*(y+21)

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