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3.000=x+1800
We move all terms to the left:
3.000-(x+1800)=0
We add all the numbers together, and all the variables
-(x+1800)+3=0
We get rid of parentheses
-x-1800+3=0
We add all the numbers together, and all the variables
-1x-1797=0
We move all terms containing x to the left, all other terms to the right
-x=1797
x=1797/-1
x=-1797
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