5a-7=8a+8

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



5a-7=8a+8

We move all terms to the left:

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

We get rid of parentheses

5a-8a-8-7=0

We add all the numbers together, and all the variables

-3a-15=0

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

-3a=15

a=15/-3

a=-5

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