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0.12x+0.8=0.2
We move all terms to the left:
0.12x+0.8-(0.2)=0
We add all the numbers together, and all the variables
0.12x+0.6=0
We move all terms containing x to the left, all other terms to the right
0.12x=-0.6
x=-0.6/0.12
x=-5
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