9+a=-3-4a

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Solution for 9+a=-3-4a equation: 



9+a=-3-4a

We move all terms to the left:

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

We add all the numbers together, and all the variables

a-(-4a-3)+9=0

We get rid of parentheses

a+4a+3+9=0

We add all the numbers together, and all the variables

5a+12=0

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

5a=-12

a=-12/5

a=-2+2/5

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