-3a-3a-7=7-8a

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



-3a-3a-7=7-8a

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-6a-(-8a+7)-7=0

We get rid of parentheses

-6a+8a-7-7=0

We add all the numbers together, and all the variables

2a-14=0

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

2a=14

a=14/2

a=7

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