a+8=-12+3a

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Solution for a+8=-12+3a equation: 


a in (-oo:+oo)

a+8 = 3*a-12 // - 3*a-12

a-(3*a)+8+12 = 0

a-3*a+8+12 = 0

20-2*a = 0 // - 20

-2*a = -20 // : -2

a = -20/(-2)

a = 10

a = 10

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