3*(x-1)=8x+4x

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Solution for 3*(x-1)=8x+4x equation: 



3(x-1)=8x+4x

We move all terms to the left:

3(x-1)-(8x+4x)=0

We add all the numbers together, and all the variables

3(x-1)-(+12x)=0

We multiply parentheses

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

We get rid of parentheses

3x-12x-3=0

We add all the numbers together, and all the variables

-9x-3=0

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

-9x=3

x=3/-9

x=-1/3

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