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2005=2.12x+146.2
We move all terms to the left:
2005-(2.12x+146.2)=0
We get rid of parentheses
-2.12x-146.2+2005=0
We add all the numbers together, and all the variables
-2.12x+1858.8=0
We move all terms containing x to the left, all other terms to the right
-2.12x=-1858.8
x=-1858.8/-2.12
x=876+1/1.2619047619049
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