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0.3b-0.75=0.7b+0.25
We move all terms to the left:
0.3b-0.75-(0.7b+0.25)=0
We get rid of parentheses
0.3b-0.7b-0.25-0.75=0
We add all the numbers together, and all the variables
-0.4b-1=0
We move all terms containing b to the left, all other terms to the right
-0.4b=1
b=1/-0.4
b=-2+0.2/0.4
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