-a-3a+3=3a-4

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Solution for -a-3a+3=3a-4 equation: 



-a-3a+3=3a-4

We move all terms to the left:

-a-3a+3-(3a-4)=0

We add all the numbers together, and all the variables

-4a-(3a-4)+3=0

We get rid of parentheses

-4a-3a+4+3=0

We add all the numbers together, and all the variables

-7a+7=0

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

-7a=-7

a=-7/-7

a=1

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