--x-1=221+2x

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Solution for --x-1=221+2x equation: 



--x-1=221+2x

We move all terms to the left:

--x-1-(221+2x)=0

We add all the numbers together, and all the variables

-x-(2x+221)-1-=0

We add all the numbers together, and all the variables

-1x-(2x+221)=0

We get rid of parentheses

-1x-2x-221=0

We add all the numbers together, and all the variables

-3x-221=0

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

-3x=221

x=221/-3

x=-73+2/3

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