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0.1x+0.3x+2/0.5=0.5
We move all terms to the left:
0.1x+0.3x+2/0.5-(0.5)=0
We add all the numbers together, and all the variables
0.4x+3.5=0
We move all terms containing x to the left, all other terms to the right
0.4x=-3.5
x=-3.5/0.4
x=-8+0.3/0.4
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