2+3a=-7

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Solution for 2+3a=-7 equation: 


a in (-oo:+oo)

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

3*a+2+7 = 0

3*a+9 = 0 // - 9

3*a = -9 // : 3

a = -9/3

a = -3

a = -3

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