SOLUTION: -5+2(10b-2)=31

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Question 661487: -5+2(10b-2)=31
Answer by ReadingBoosters(3246) About Me  (Show Source):
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Starting with
-5+2(10b-2)=31
Distribute 2
-5 + 10b - 4 = 31
Combine like terms
10b = 31 + 5 + 4
10b = 40
10b/10 = 40/10
b = 4