3(3x-7)=4x

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



3(3x-7)=4x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-4x+9x-21=0

We add all the numbers together, and all the variables

5x-21=0

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

5x=21

x=21/5

x=4+1/5

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