-3+7a=4

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Solution for -3+7a=4 equation: 


a in (-oo:+oo)

7*a-3 = 4 // - 4

7*a-4-3 = 0

7*a-7 = 0 // + 7

7*a = 7 // : 7

a = 7/7

a = 1

a = 1

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