Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 1 - Foundations for Algebra - 1-1 Variables and Expressions - Practice and Problem-Solving Exercises - Page 7: 10



Work Step by Step

The term "minus" represents the subtraction operation. Subtraction of $a$ from $b$ is represented as $b-a$. It indicates the distance of $b$ on number line from zero is decreased by distance of $a$ on number line. Therefore, the word $y$ minus $12$ infers that distance of $12$ on number line is decreased from distance of $y$ on number line. It is expressed in algebraic form as $y-12$.
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