-5-7a+7=-3+4a-7-8a

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Solution for -5-7a+7=-3+4a-7-8a equation: 



-5-7a+7=-3+4a-7-8a

We move all terms to the left:

-5-7a+7-(-3+4a-7-8a)=0

We add all the numbers together, and all the variables

-7a-(-4a-10)-5+7=0

We add all the numbers together, and all the variables

-7a-(-4a-10)+2=0

We get rid of parentheses

-7a+4a+10+2=0

We add all the numbers together, and all the variables

-3a+12=0

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

-3a=-12

a=-12/-3

a=+4

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