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0.1x+0.03x+0.35=0.2
We move all terms to the left:
0.1x+0.03x+0.35-(0.2)=0
We add all the numbers together, and all the variables
0.13x+0.15=0
We move all terms containing x to the left, all other terms to the right
0.13x=-0.15
x=-0.15/0.13
x=-1+0.02/0.13
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