-1/2x-y=-3

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Solution for -1/2x-y=-3 equation: 


x in (-oo:+oo)

(-1/2)*x-y = -3 // + 3

(-1/2)*x-y+3 = 0

3-1/2*x-y = 0 // - 3-y

-1/2*x = -(3-y) // : -1/2

x = (-(3-y))/(-1/2)

x = -2*(y-3)

x = -2*(y-3)

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