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3x-5.42=-3.89
We move all terms to the left:
3x-5.42-(-3.89)=0
We add all the numbers together, and all the variables
3x-1.53=0
We move all terms containing x to the left, all other terms to the right
3x=1.53
x=1.53/3
x=1/1.9607843137255
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