12x-9=7(3x-3)+3

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Solution for 12x-9=7(3x-3)+3 equation: 



12x-9=7(3x-3)+3

We move all terms to the left:

12x-9-(7(3x-3)+3)=0



We calculate terms in parentheses: -(7(3x-3)+3), so:

7(3x-3)+3

We multiply parentheses

21x-21+3

We add all the numbers together, and all the variables

21x-18

Back to the equation:

-(21x-18)



We get rid of parentheses

12x-21x+18-9=0

We add all the numbers together, and all the variables

-9x+9=0

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

-9x=-9

x=-9/-9

x=1

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