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4.2x-3.8=11.1
We move all terms to the left:
4.2x-3.8-(11.1)=0
We add all the numbers together, and all the variables
4.2x-14.9=0
We move all terms containing x to the left, all other terms to the right
4.2x=14.9
x=14.9/4.2
x=3+1/1.8260869565217
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