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1.7=x+2.8
We move all terms to the left:
1.7-(x+2.8)=0
We get rid of parentheses
-x-2.8+1.7=0
We add all the numbers together, and all the variables
-1x-1.1=0
We move all terms containing x to the left, all other terms to the right
-x=1.1
x=1.1/-1
x=-1+0.1/1
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