a/2+1=-6 - solution

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Solution for a/2+1=-6 equation:

a in (-oo:+oo)

a/2+1 = -6 // + 6

a/2+1+6 = 0

1/2*a+7 = 0 // - 7

1/2*a = -7 // : 1/2

a = -7/1/2

a = -14

a = -14

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