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-3(b-5)=-31
We move all terms to the left:
-3(b-5)-(-31)=0
We add all the numbers together, and all the variables
-3(b-5)+31=0
We multiply parentheses
-3b+15+31=0
We add all the numbers together, and all the variables
-3b+46=0
We move all terms containing b to the left, all other terms to the right
-3b=-46
b=-46/-3
b=15+1/3
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