
Whiz S. answered 01/19/19
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17 - (4n-5) = 9n-3(n+7)
17-4n+5 =9n-3n-21
22-4n = 6n-21
43 = 10n
n= 4.3
Steve G.
asked 01/19/19So I’m lost in a few steps here for this problem in particular its showing me how to do it in the book but I’m not sure where they’re getting the answer from. 17 - (4n-5) = 9n-3(n+7)
Whiz S. answered 01/19/19
Experienced and patient Math tutor
17 - (4n-5) = 9n-3(n+7)
17-4n+5 =9n-3n-21
22-4n = 6n-21
43 = 10n
n= 4.3
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