Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 5 - Linear Functions - 5-3 Slope-Intercept Form - Practice and Problem-Solving Exercises - Page 314: 71



Work Step by Step

You have the equation: 21=-2t+3 and you have to solve for t: 21=-2t+3 (subtract 3 from both sides) 18=2t t=-9 Check your work: 21=-2(-9)+3 21=18+3 21=21 The equation is equal so t=-9.
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