3x+2y+1/2z=20

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Solution for 3x+2y+1/2z=20 equation: 


x in (-oo:+oo)

3*x+2*y+(1/2)*z = 20 // - 20

3*x+2*y+(1/2)*z-20 = 0

3*x+2*y+1/2*z-20 = 0 // - 2*y+1/2*z-20

3*x = -(2*y+1/2*z-20) // : 3

x = (-(2*y+1/2*z-20))/3

x = (20-(2*y)-(1/2*z))/3

x = (20-(2*y)-(1/2*z))/3

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