3a+8=-1

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Solution for 3a+8=-1 equation: 


a in (-oo:+oo)

3*a+8 = -1 // + 1

3*a+1+8 = 0

3*a+9 = 0 // - 9

3*a = -9 // : 3

a = -9/3

a = -3

a = -3

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