
Mark M. answered 02/10/15
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
n + 10(5n - 7)
n + 10(5n) + (10)(-7)
n + 50n - 70
51n - 70
Roger W.
asked 02/10/15Mark M. answered 02/10/15
Mathematics Teacher - NCLB Highly Qualified
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