4-x=2(x-1)

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



4-x=2(x-1)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(2(x-1)), so:

2(x-1)

We multiply parentheses

2x-2

Back to the equation:

-(2x-2)



We get rid of parentheses

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

We add all the numbers together, and all the variables

-3x+6=0

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

-3x=-6

x=-6/-3

x=+2

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