a/3-2=-7 - solution

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Solution for a/3-2=-7 equation:

a in (-oo:+oo)

a/3-2 = -7 // + 7

a/3-2+7 = 0

1/3*a+5 = 0 // - 5

1/3*a = -5 // : 1/3

a = -5/1/3

a = -15

a = -15

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