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0.84b=0.86
We move all terms to the left:
0.84b-(0.86)=0
We add all the numbers together, and all the variables
0.84b-0.86=0
We move all terms containing b to the left, all other terms to the right
0.84b=0.86
b=0.86/0.84
b=1+0.02/0.84
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