4a+7=5a-4

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


a in (-oo:+oo)

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

4*a-(5*a)+4+7 = 0

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

11-a = 0 // - 11

-a = -11 // * -1

a = 11

a = 11

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