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-18.14(.5b+2)=-15b-42.21
We move all terms to the left:
-18.14(.5b+2)-(-15b-42.21)=0
We multiply parentheses
-18.14b-(-15b-42.21)-36.28=0
We get rid of parentheses
-18.14b+15b+42.21-36.28=0
We add all the numbers together, and all the variables
-3.14b+5.93=0
We move all terms containing b to the left, all other terms to the right
-3.14b=-5.93
b=-5.93/-3.14
b=1+2.79/3.14
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