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0.03x-0.9=0.3
We move all terms to the left:
0.03x-0.9-(0.3)=0
We add all the numbers together, and all the variables
0.03x-1.2=0
We move all terms containing x to the left, all other terms to the right
0.03x=1.2
x=1.2/0.03
x=40
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