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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

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



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

3(x+6)

We multiply parentheses

3x+18

Back to the equation:

-(3x+18)



We add all the numbers together, and all the variables

30x-(3x+18)-9=0

We get rid of parentheses

30x-3x-18-9=0

We add all the numbers together, and all the variables

27x-27=0

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

27x=27

x=27/27

x=1

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