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25.85=b+11.8
We move all terms to the left:
25.85-(b+11.8)=0
We get rid of parentheses
-b-11.8+25.85=0
We add all the numbers together, and all the variables
-1b+14.05=0
We move all terms containing b to the left, all other terms to the right
-b=-14.05
b=-14.05/-1
b=14+0.05/1
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