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0.3x-2=0.4
We move all terms to the left:
0.3x-2-(0.4)=0
We add all the numbers together, and all the variables
0.3x-2.4=0
We move all terms containing x to the left, all other terms to the right
0.3x=2.4
x=2.4/0.3
x=8
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