4(a+3)=12=4a

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



4(a+3)=12=4a

We move all terms to the left:

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

We multiply parentheses

4a+12-12=0

We add all the numbers together, and all the variables

4a=0

a=0/4

a=0

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