1/2y-4x=9

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Solution for 1/2y-4x=9 equation: 


x in (-oo:+oo)

(1/2)*y-(4*x) = 9 // - 9

(1/2)*y-(4*x)-9 = 0

(1/2)*y-4*x-9 = 0

1/2*y-4*x-9 = 0 // - 1/2*y-9

-4*x = -(1/2*y-9) // : -4

x = (-(1/2*y-9))/(-4)

x = (9-(1/2*y))/(-4)

x = (9-(1/2*y))/(-4)

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