
Mark M. answered 10/27/16
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
1 / (2n) = 7
1 / (2n) = 7 / 1
2n / 1 = 1 / 7 reciprocals of equals are equal
n = 1 / 14 divide both sides by 2