3a-8=7

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Solution for 3a-8=7 equation: 


a in (-oo:+oo)

3*a-8 = 7 // - 7

3*a-8-7 = 0

3*a-15 = 0 // + 15

3*a = 15 // : 3

a = 15/3

a = 5

a = 5

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