3(a-7)=6a

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Solution for 3(a-7)=6a equation: 



3(a-7)=6a

We move all terms to the left:

3(a-7)-(6a)=0

We add all the numbers together, and all the variables

-6a+3(a-7)=0

We multiply parentheses

-6a+3a-21=0

We add all the numbers together, and all the variables

-3a-21=0

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

-3a=21

a=21/-3

a=-7

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