7-3a=4a+56

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Solution for 7-3a=4a+56 equation: 


a in (-oo:+oo)

7-(3*a) = 4*a+56 // - 4*a+56

7-(3*a)-(4*a)-56 = 0

7-3*a-4*a-56 = 0

-7*a-49 = 0 // + 49

-7*a = 49 // : -7

a = 49/(-7)

a = -7

a = -7

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