7a+9=6a-13

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Solution for 7a+9=6a-13 equation: 



7a+9=6a-13

We move all terms to the left:

7a+9-(6a-13)=0

We get rid of parentheses

7a-6a+13+9=0

We add all the numbers together, and all the variables

a+22=0

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

a=-22

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