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-4(2.75b-6.5)=-18
We move all terms to the left:
-4(2.75b-6.5)-(-18)=0
We add all the numbers together, and all the variables
-4(2.75b-6.5)+18=0
We multiply parentheses
-8b+26+18=0
We add all the numbers together, and all the variables
-8b+44=0
We move all terms containing b to the left, all other terms to the right
-8b=-44
b=-44/-8
b=5+1/2
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