2a+8=5a-13

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Solution for 2a+8=5a-13 equation: 



2a+8=5a-13

We move all terms to the left:

2a+8-(5a-13)=0

We get rid of parentheses

2a-5a+13+8=0

We add all the numbers together, and all the variables

-3a+21=0

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

-3a=-21

a=-21/-3

a=+7

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