3(4x-7)=9x

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Solution for 3(4x-7)=9x equation: 



3(4x-7)=9x

We move all terms to the left:

3(4x-7)-(9x)=0

We add all the numbers together, and all the variables

-9x+3(4x-7)=0

We multiply parentheses

-9x+12x-21=0

We add all the numbers together, and all the variables

3x-21=0

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

3x=21

x=21/3

x=7

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