Answer
$$2a+3b-x$$
Work Step by Step
Initially: $2(x+a)-3(x-b)$ Distribute the $2$ and $-3$ to the respective parenthesis:
$$2x+2a-3x+3b$$ Then combine like terms to simplify answer:
$$2a+3b-x$$
Functions Modeling Change: A Preparation for Calculus, 5th Edition
by Connally, Eric; Hughes-Hallett, Deborah; Gleason, Andrew M.; Cheifetz, Phil C.
Published by
Wiley
ISBN 10:
1118583191
ISBN 13:
978-1-11858-319-7
Chapter 1 - Linear Functions and Change - 1.2 Rate of Change - Exercises and Problems for Section 1.2 - Skill Refresher - Page 14: S6
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