5+7a+4a=71

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Solution for 5+7a+4a=71 equation: 


a in (-oo:+oo)

7*a+4*a+5 = 71 // - 71

7*a+4*a-71+5 = 0

11*a-66 = 0 // + 66

11*a = 66 // : 11

a = 66/11

a = 6

a = 6

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