3(a+4)=-2a+a

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Solution for 3(a+4)=-2a+a equation: 



3(a+4)=-2a+a

We move all terms to the left:

3(a+4)-(-2a+a)=0

We add all the numbers together, and all the variables

3(a+4)-(-1a)=0

We multiply parentheses

3a-(-1a)+12=0

We get rid of parentheses

3a+1a+12=0

We add all the numbers together, and all the variables

4a+12=0

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

4a=-12

a=-12/4

a=-3

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