Answer
t≥−3
Work Step by Step
t−4≥−7 : add 4 to both sides
t−4+4≥−7+4 : simplify
t≥−3
Verify that -3 is a solution at the endpoint.
−3−4=?−7
−7=−7✓
Verify that a number greater than -3 is a solution.
0−4≥?−7
−4≥−7✓
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 3 - Solving Inequalities - 3-2 Solving Inequalities Using Addition or Subtraction - Practice and Problem-Solving Exercises - Page 174: 17
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