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-2x-7.4=5.7
We move all terms to the left:
-2x-7.4-(5.7)=0
We add all the numbers together, and all the variables
-2x-13.1=0
We move all terms containing x to the left, all other terms to the right
-2x=13.1
x=13.1/-2
x=-6+1/1.8181818181818
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