1-2x-(1-x)=7

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Solution for 1-2x-(1-x)=7 equation: 



1-2x-(1-x)=7

We move all terms to the left:

1-2x-(1-x)-(7)=0

We add all the numbers together, and all the variables

-2x-(-1x+1)+1-7=0

We add all the numbers together, and all the variables

-2x-(-1x+1)-6=0

We get rid of parentheses

-2x+1x-1-6=0

We add all the numbers together, and all the variables

-1x-7=0

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

-x=7

x=7/-1

x=-7

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