y=-1/2x+9

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Solution for y=-1/2x+9 equation:


x in (-oo:+oo)

y = (-1/2)*x+9 // - (-1/2)*x+9

y-((-1/2)*x)-9 = 0

(1/2)*x+y-9 = 0

1/2*x+y-9 = 0 // - y-9

1/2*x = -(y-9) // : 1/2

x = (-(y-9))/1/2

x = 2*(9-y)

x = 2*(9-y)

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