3(7x+4)=159

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Solution for 3(7x+4)=159 equation: 



3(7x+4)=159

We move all terms to the left:

3(7x+4)-(159)=0

We multiply parentheses

21x+12-159=0

We add all the numbers together, and all the variables

21x-147=0

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

21x=147

x=147/21

x=7

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