a/2+1=-3 - solution

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Solution for a/2+1=-3 equation:

a in (-oo:+oo)

a/2+1 = -3 // + 3

a/2+1+3 = 0

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

1/2*a = -4 // : 1/2

a = -4/1/2

a = -8

a = -8

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