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

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Solution for 4a-(3-a)=2a-9 equation: 



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

4a-(-1a+3)-(2a-9)=0

We get rid of parentheses

4a+1a-2a-3+9=0

We add all the numbers together, and all the variables

3a+6=0

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

3a=-6

a=-6/3

a=-2

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