7a-4+5a=116

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Solution for 7a-4+5a=116 equation: 


a in (-oo:+oo)

7*a+5*a-4 = 116 // - 116

7*a+5*a-116-4 = 0

12*a-120 = 0 // + 120

12*a = 120 // : 12

a = 120/12

a = 10

a = 10

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