9x-21=3(x-8)+6x

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Solution for 9x-21=3(x-8)+6x equation: 



9x-21=3(x-8)+6x

We move all terms to the left:

9x-21-(3(x-8)+6x)=0



We calculate terms in parentheses: -(3(x-8)+6x), so:

3(x-8)+6x

We add all the numbers together, and all the variables

6x+3(x-8)

We multiply parentheses

6x+3x-24

We add all the numbers together, and all the variables

9x-24

Back to the equation:

-(9x-24)



We get rid of parentheses

9x-9x+24-21=0

We add all the numbers together, and all the variables

3!=0

There is no solution for this equation

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