1+x=3(x-1)

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



1+x=3(x-1)

We move all terms to the left:

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



We calculate terms in parentheses: -(3(x-1)), so:

3(x-1)

We multiply parentheses

3x-3

Back to the equation:

-(3x-3)



We get rid of parentheses

x-3x+3+1=0

We add all the numbers together, and all the variables

-2x+4=0

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

-2x=-4

x=-4/-2

x=+2

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