3(7+4x)=165

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Solution for 3(7+4x)=165 equation: 



3(7+4x)=165

We move all terms to the left:

3(7+4x)-(165)=0

We add all the numbers together, and all the variables

3(4x+7)-165=0

We multiply parentheses

12x+21-165=0

We add all the numbers together, and all the variables

12x-144=0

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

12x=144

x=144/12

x=12

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