2(x-1)-x=4

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Solution for 2(x-1)-x=4 equation: 



2(x-1)-x=4

We move all terms to the left:

2(x-1)-x-(4)=0

We add all the numbers together, and all the variables

-1x+2(x-1)-4=0

We multiply parentheses

-1x+2x-2-4=0

We add all the numbers together, and all the variables

x-6=0

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

x=6

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