7+8a=13+5a

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Solution for 7+8a=13+5a equation: 



7+8a=13+5a

We move all terms to the left:

7+8a-(13+5a)=0

We add all the numbers together, and all the variables

8a-(5a+13)+7=0

We get rid of parentheses

8a-5a-13+7=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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