X+1/2x=15

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Solution for X+1/2x=15 equation: 


x in (-oo:+oo)

X+(1/2)*x = 15 // - 15

X+(1/2)*x-15 = 0

X+1/2*x-15 = 0 // - X-15

1/2*x = -(X-15) // : 1/2

x = (-(X-15))/1/2

x = 2*(15-X)

x = 2*(15-X)

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