-2x+1/2y=18

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Solution for -2x+1/2y=18 equation: 


x in (-oo:+oo)

(1/2)*y-2*x = 18 // - 18

(1/2)*y-2*x-18 = 0

1/2*y-2*x-18 = 0 // - 1/2*y-18

-2*x = -(1/2*y-18) // : -2

x = (-(1/2*y-18))/(-2)

x = (18-(1/2*y))/(-2)

x = (18-(1/2*y))/(-2)

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