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4.2-2x=8.8
We move all terms to the left:
4.2-2x-(8.8)=0
We add all the numbers together, and all the variables
-2x-4.6=0
We move all terms containing x to the left, all other terms to the right
-2x=4.6
x=4.6/-2
x=-2+0.6/2
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