10+7a=87

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Solution for 10+7a=87 equation: 


a in (-oo:+oo)

7*a+10 = 87 // - 87

7*a-87+10 = 0

7*a-77 = 0 // + 77

7*a = 77 // : 7

a = 77/7

a = 11

a = 11

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