3a-7a=3a+

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



3a-7a=3a+

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-4a-(+3a)=0

We get rid of parentheses

-4a-3a=0

We add all the numbers together, and all the variables

-7a=0

a=0/-7

a=0

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