SOLUTION: 73- -12+ -4n-6-n if n=7

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Question 61188: 73- -12+ -4n-6-n if n=7

Answer by tutorcecilia(2144) About Me  (Show Source):
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73- -12+ -4n-6-n [substitute 7 for n and solve]
73- -12+ -4(7)-6-(7)
44
or
73- -12+ -4n-6-n [combine like-terms first]
85-6+-5n
79-5n [now substitute 7 for n and solve]
79-5(7)
44