4a+7=47

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Solution for 4a+7=47 equation: 


a in (-oo:+oo)

4*a+7 = 47 // - 47

4*a-47+7 = 0

4*a-40 = 0 // + 40

4*a = 40 // : 4

a = 40/4

a = 10

a = 10

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