3(a-7)-3(2a-4)=4(a=3)

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Solution for 3(a-7)-3(2a-4)=4(a=3) equation: 



3(a-7)-3(2a-4)=4(a=3)

We move all terms to the left:

3(a-7)-3(2a-4)-(4(a)=0

We multiply parentheses

3a-6a-(4a-21+12=0

We add all the numbers together, and all the variables

-3a-(4a-21+12=0

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