189=125-x

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Solution for 189=125-x equation: 



189=125-x

We move all terms to the left:

189-(125-x)=0

We add all the numbers together, and all the variables

-(-1x+125)+189=0

We get rid of parentheses

1x-125+189=0

We add all the numbers together, and all the variables

x+64=0

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

x=-64

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