13+6a=7+2a+a

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Solution for 13+6a=7+2a+a equation: 



13+6a=7+2a+a

We move all terms to the left:

13+6a-(7+2a+a)=0

We add all the numbers together, and all the variables

6a-(3a+7)+13=0

We get rid of parentheses

6a-3a-7+13=0

We add all the numbers together, and all the variables

3a+6=0

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

3a=-6

a=-6/3

a=-2

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