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-124b=4-2b
We move all terms to the left:
-124b-(4-2b)=0
We add all the numbers together, and all the variables
-124b-(-2b+4)=0
We get rid of parentheses
-124b+2b-4=0
We add all the numbers together, and all the variables
-122b-4=0
We move all terms containing b to the left, all other terms to the right
-122b=4
b=4/-122
b=-2/61
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