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0.6666666666666b+5=20-b
We move all terms to the left:
0.6666666666666b+5-(20-b)=0
We add all the numbers together, and all the variables
0.6666666666666b-(-1b+20)+5=0
We get rid of parentheses
0.6666666666666b+1b-20+5=0
We add all the numbers together, and all the variables
1.66666666667b-15=0
We move all terms containing b to the left, all other terms to the right
1.66666666667b=15
b=15/1.66666666667
b=8+1/1.00000000002
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