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52.1=b/4
We move all terms to the left:
52.1-(b/4)=0
We add all the numbers together, and all the variables
-(+b/4)+52.1=0
We get rid of parentheses
-b/4+52.1=0
We multiply all the terms by the denominator
-b+(52.1)*4=0
We add all the numbers together, and all the variables
-1b+208.4=0
We move all terms containing b to the left, all other terms to the right
-b=-208.4
b=-208.4/-1
b=208+0.40000000000001/1
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