7+2a=-3

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Solution for 7+2a=-3 equation: 


a in (-oo:+oo)

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

2*a+3+7 = 0

2*a+10 = 0 // - 10

2*a = -10 // : 2

a = -10/2

a = -5

a = -5

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