7a-7=14+6a

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Solution for 7a-7=14+6a equation: 



7a-7=14+6a

We move all terms to the left:

7a-7-(14+6a)=0

We add all the numbers together, and all the variables

7a-(6a+14)-7=0

We get rid of parentheses

7a-6a-14-7=0

We add all the numbers together, and all the variables

a-21=0

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

a=21

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