9a+2a=-3-4a

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Solution for 9a+2a=-3-4a equation: 



9a+2a=-3-4a

We move all terms to the left:

9a+2a-(-3-4a)=0

We add all the numbers together, and all the variables

9a+2a-(-4a-3)=0

We add all the numbers together, and all the variables

11a-(-4a-3)=0

We get rid of parentheses

11a+4a+3=0

We add all the numbers together, and all the variables

15a+3=0

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

15a=-3

a=-3/15

a=-1/5

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