3(4x-3)=-3(x-7)

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Solution for 3(4x-3)=-3(x-7) equation: 



3(4x-3)=-3(x-7)

We move all terms to the left:

3(4x-3)-(-3(x-7))=0

We multiply parentheses

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



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

-3(x-7)

We multiply parentheses

-3x+21

Back to the equation:

-(-3x+21)



We get rid of parentheses

12x+3x-21-9=0

We add all the numbers together, and all the variables

15x-30=0

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

15x=30

x=30/15

x=2

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