12a=+7-8a

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



12a=+7-8a

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

12a+8a-7=0

We add all the numbers together, and all the variables

20a-7=0

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

20a=7

a=7/20

a=7/20

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