Answer
$-23$
Work Step by Step
The given expression is
$=(t-8)-(t+15)$
Clear the parentheses.
$=t-8-t-15$
Group the like terms.
$=t-t-8-15$
Add the like terms.
$=-23$
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 5 - Solving Systems of Linear Equations - 5.2 - Solving Systems of Linear Equations by Substitution - Exercises - Page 246: 38
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