-x+1=7+2x

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Solution for -x+1=7+2x equation: 



-x+1=7+2x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-1x-2x-7+1=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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