7a-(3-a)=4a-27

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Solution for 7a-(3-a)=4a-27 equation: 



7a-(3-a)=4a-27

We move all terms to the left:

7a-(3-a)-(4a-27)=0

We add all the numbers together, and all the variables

7a-(-1a+3)-(4a-27)=0

We get rid of parentheses

7a+1a-4a-3+27=0

We add all the numbers together, and all the variables

4a+24=0

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

4a=-24

a=-24/4

a=-6

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