1/2x+12+3x-7 - solution

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Solution for 1/2x+12+3x-7 equation:

x in (-oo:+oo)

(1/2)*x+3*x-7+12 = 0

7/2*x+5 = 0 // - 5

7/2*x = -5 // : 7/2

x = -5/7/2

x = -10/7

x = -10/7

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