3(a+4)=12+3a

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Solution for 3(a+4)=12+3a equation: 



3(a+4)=12+3a

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

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

We get rid of parentheses

3a-3a-12+12=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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