13+7a=3+2a

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Solution for 13+7a=3+2a equation: 



13+7a=3+2a

We move all terms to the left:

13+7a-(3+2a)=0

We add all the numbers together, and all the variables

7a-(2a+3)+13=0

We get rid of parentheses

7a-2a-3+13=0

We add all the numbers together, and all the variables

5a+10=0

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

5a=-10

a=-10/5

a=-2

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