221=-x+129

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Solution for 221=-x+129 equation: 



221=-x+129

We move all terms to the left:

221-(-x+129)=0

We add all the numbers together, and all the variables

-(-1x+129)+221=0

We get rid of parentheses

1x-129+221=0

We add all the numbers together, and all the variables

x+92=0

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

x=-92

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