a/8+7=12 - solution

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Solution for a/8+7=12 equation:

a in (-oo:+oo)

a/8+7 = 12 // - 12

a/8-12+7 = 0

1/8*a-5 = 0 // + 5

1/8*a = 5 // : 1/8

a = 5/1/8

a = 40

a = 40

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