Answer
$-x+8$.
Work Step by Step
The given polynomial is
$=(6x+9)-(7x+1)$
Clear the parentheses.
$=6x+9-7x-1$
Group like terms.
$=6x-7x+9-1$
Combine like terms.
$=-x+8$.
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 7 - Polynomial Equations and Factoring - 7.1 - Adding and Subtracting Polynomials - Exercises - Page 362: 32
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