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0.2x+0.3-0.3x=0.23
We move all terms to the left:
0.2x+0.3-0.3x-(0.23)=0
We add all the numbers together, and all the variables
-0.1x+0.07=0
We move all terms containing x to the left, all other terms to the right
-0.1x=-0.07
x=-0.07/-0.1
x=0.07/0.1
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