x/2+7=12 - solution

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Solution for x/2+7=12 equation:

x in (-oo:+oo)

x/2+7 = 12 // - 12

x/2-12+7 = 0

1/2*x-5 = 0 // + 5

1/2*x = 5 // : 1/2

x = 5/1/2

x = 10

x = 10

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