7a-(8+4a)=4

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Solution for 7a-(8+4a)=4 equation: 



7a-(8+4a)=4

We move all terms to the left:

7a-(8+4a)-(4)=0

We add all the numbers together, and all the variables

7a-(4a+8)-4=0

We get rid of parentheses

7a-4a-8-4=0

We add all the numbers together, and all the variables

3a-12=0

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

3a=12

a=12/3

a=4

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