12+8a=7a+7

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



12+8a=7a+7

We move all terms to the left:

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

We get rid of parentheses

8a-7a-7+12=0

We add all the numbers together, and all the variables

a+5=0

We move all terms containing a to the left, all other terms to the right

a=-5

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