7=8+12a

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Solution for 7=8+12a equation: 



7=8+12a

We move all terms to the left:

7-(8+12a)=0

We add all the numbers together, and all the variables

-(12a+8)+7=0

We get rid of parentheses

-12a-8+7=0

We add all the numbers together, and all the variables

-12a-1=0

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

-12a=1

a=1/-12

a=-1/12

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