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181=28-x
We move all terms to the left:
181-(28-x)=0
We add all the numbers together, and all the variables
-(-1x+28)+181=0
We get rid of parentheses
1x-28+181=0
We add all the numbers together, and all the variables
x+153=0
We move all terms containing x to the left, all other terms to the right
x=-153
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