3a+4a=-4a

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



3a+4a=-4a

We move all terms to the left:

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

We add all the numbers together, and all the variables

7a-(-4a)=0

We get rid of parentheses

7a+4a=0

We add all the numbers together, and all the variables

11a=0

a=0/11

a=0

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