4a+4-a=12+a

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Solution for 4a+4-a=12+a equation: 



4a+4-a=12+a

We move all terms to the left:

4a+4-a-(12+a)=0

We add all the numbers together, and all the variables

4a-a-(a+12)+4=0

We add all the numbers together, and all the variables

3a-(a+12)+4=0

We get rid of parentheses

3a-a-12+4=0

We add all the numbers together, and all the variables

2a-8=0

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

2a=8

a=8/2

a=4

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