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Melody H.

asked • 10/27/12

solve proportion

-4/9=3/n  __/(decimal)

2 Answers By Expert Tutors

By:

Robert J. answered • 10/27/12

Tutor
4.6 (13)

Certified High School AP Calculus and Physics Teacher

Robert J.

Introduction to moving method:

Rule 1: If you move a term from one side of equation to the other side, you change the sign of the term.

Rule 2: If you move a factor from one side of equation to the side, you flip it.

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