Answer
distributive property
Work Step by Step
$IR + Ir = E$
Solving for $I$:
The distributive property in the form $ab + ac = a(b + c)$ can be used to convert the two occurrences of $I$ into one. Thus,
$I(R+r) = E$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 1 - Section 1.5 - Problem Solving and Using Formulas - Concept and Vocabulary Check - Page 65: 6
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