(1/2)x+3=7 - solution

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Solution for (1/2)x+3=7 equation:

x in (-oo:+oo)

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

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

1/2*x-4 = 0 // + 4

1/2*x = 4 // : 1/2

x = 4/1/2

x = 8

x = 8

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