3a+1=-a-3

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Solution for 3a+1=-a-3 equation: 



3a+1=-a-3

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

3a+1a+3+1=0

We add all the numbers together, and all the variables

4a+4=0

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

4a=-4

a=-4/4

a=-1

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