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-15.4b-15.56=11.44+12.2b-16.8b
We move all terms to the left:
-15.4b-15.56-(11.44+12.2b-16.8b)=0
We add all the numbers together, and all the variables
-15.4b-(-4.6b+11.44)-15.56=0
We get rid of parentheses
-15.4b+4.6b-11.44-15.56=0
We add all the numbers together, and all the variables
-10.8b-27=0
We move all terms containing b to the left, all other terms to the right
-10.8b=27
b=27/-10.8
b=-2+1/2
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