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0.80x+0.35(80)=0.40(88)
We move all terms to the left:
0.80x+0.35(80)-(0.40(88))=0
We add all the numbers together, and all the variables
0.80x-0.0508=0
We move all terms containing x to the left, all other terms to the right
0.80x=0.0508
x=0.0508/0.80
x=0.0508/0.80
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