3x-7=4(12-3x)

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Solution for 3x-7=4(12-3x) equation: 



3x-7=4(12-3x)

We move all terms to the left:

3x-7-(4(12-3x))=0

We add all the numbers together, and all the variables

3x-(4(-3x+12))-7=0



We calculate terms in parentheses: -(4(-3x+12)), so:

4(-3x+12)

We multiply parentheses

-12x+48

Back to the equation:

-(-12x+48)



We get rid of parentheses

3x+12x-48-7=0

We add all the numbers together, and all the variables

15x-55=0

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

15x=55

x=55/15

x=3+2/3

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