8+3a+5=7a-7

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Solution for 8+3a+5=7a-7 equation: 



8+3a+5=7a-7

We move all terms to the left:

8+3a+5-(7a-7)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

3a-7a+7+13=0

We add all the numbers together, and all the variables

-4a+20=0

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

-4a=-20

a=-20/-4

a=+5

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