3(3x-7)=7x

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



3(3x-7)=7x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-7x+9x-21=0

We add all the numbers together, and all the variables

2x-21=0

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

2x=21

x=21/2

x=10+1/2

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