8+3a=7a+12

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Solution for 8+3a=7a+12 equation: 


a in (-oo:+oo)

3*a+8 = 7*a+12 // - 7*a+12

3*a-(7*a)-12+8 = 0

3*a-7*a-12+8 = 0

-4*a-4 = 0 // + 4

-4*a = 4 // : -4

a = 4/(-4)

a = -1

a = -1

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