(x+3)+1/2x=20 - solution

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Solution for (x+3)+1/2x=20 equation:

x in (-oo:+oo)

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

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

3/2*x-17 = 0 // + 17

3/2*x = 17 // : 3/2

x = 17/3/2

x = 34/3

x = 34/3

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