2(3a-7)=4

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



2(3a-7)=4

We move all terms to the left:

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

We multiply parentheses

6a-14-4=0

We add all the numbers together, and all the variables

6a-18=0

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

6a=18

a=18/6

a=3

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