6x-3(x-7)=9x

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Solution for 6x-3(x-7)=9x equation: 



6x-3(x-7)=9x

We move all terms to the left:

6x-3(x-7)-(9x)=0

We add all the numbers together, and all the variables

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

We multiply parentheses

-3x-3x+21=0

We add all the numbers together, and all the variables

-6x+21=0

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

-6x=-21

x=-21/-6

x=3+1/2

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