1+7a+5a=-47

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Solution for 1+7a+5a=-47 equation: 


a in (-oo:+oo)

7*a+5*a+1 = -47 // + 47

7*a+5*a+1+47 = 0

12*a+48 = 0 // - 48

12*a = -48 // : 12

a = -48/12

a = -4

a = -4

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