13a-6a=-2a

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Solution for 13a-6a=-2a equation: 



13a-6a=-2a

We move all terms to the left:

13a-6a-(-2a)=0

We add all the numbers together, and all the variables

7a-(-2a)=0

We get rid of parentheses

7a+2a=0

We add all the numbers together, and all the variables

9a=0

a=0/9

a=0

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