7-3a=31

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Solution for 7-3a=31 equation: 


a in (-oo:+oo)

7-(3*a) = 31 // - 31

7-(3*a)-31 = 0

7-3*a-31 = 0

-3*a-24 = 0 // + 24

-3*a = 24 // : -3

a = 24/(-3)

a = -8

a = -8

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