3x+y/2=9

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Solution for 3x+y/2=9 equation: 


x in (-oo:+oo)

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

3*x+y/2-9 = 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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