189=10x+99;9

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Solution for 189=10x+99;9 equation: 



189=10x+999

We move all terms to the left:

189-(10x+999)=0

We get rid of parentheses

-10x-999+189=0

We add all the numbers together, and all the variables

-10x-810=0

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

-10x=810

x=810/-10

x=-81

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