8+7a=78

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Solution for 8+7a=78 equation: 


a in (-oo:+oo)

7*a+8 = 78 // - 78

7*a-78+8 = 0

7*a-70 = 0 // + 70

7*a = 70 // : 7

a = 70/7

a = 10

a = 10

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