3a=(a+4)

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Solution for 3a=(a+4) equation: 



3a=(a+4)

We move all terms to the left:

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



We calculate terms in parentheses: -((a+4)), so:

(a+4)

We get rid of parentheses

a+4

Back to the equation:

-(a+4)



We get rid of parentheses

3a-a-4=0

We add all the numbers together, and all the variables

2a-4=0

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

2a=4

a=4/2

a=2

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