3x-1/2y=9

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Solution for 3x-1/2y=9 equation: 


x in (-oo:+oo)

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

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

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

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

3*x = -(-1/2*y-9) // : 3

x = (-(-1/2*y-9))/3

x = (9-(-1/2*y))/3

x = (9-(-1/2*y))/3

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