9a+7=8a-6

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Solution for 9a+7=8a-6 equation: 



9a+7=8a-6

We move all terms to the left:

9a+7-(8a-6)=0

We get rid of parentheses

9a-8a+6+7=0

We add all the numbers together, and all the variables

a+13=0

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

a=-13

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