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-3b+11=8+9b
We move all terms to the left:
-3b+11-(8+9b)=0
We add all the numbers together, and all the variables
-3b-(9b+8)+11=0
We get rid of parentheses
-3b-9b-8+11=0
We add all the numbers together, and all the variables
-12b+3=0
We move all terms containing b to the left, all other terms to the right
-12b=-3
b=-3/-12
b=1/4
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