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16.7=2x+30.5
We move all terms to the left:
16.7-(2x+30.5)=0
We get rid of parentheses
-2x-30.5+16.7=0
We add all the numbers together, and all the variables
-2x-13.8=0
We move all terms containing x to the left, all other terms to the right
-2x=13.8
x=13.8/-2
x=-6+1/1.1111111111111
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