Answer
-70
Work Step by Step
First we need to substitute the given variable values into the equation:
-5(7+2(-7))+15(7+2(-7))
Then we simplify:
=-5(7-14)+15(7-14)
=-70
Algebra 2 Common Core
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133186024
ISBN 13:
978-0-13318-602-4
Chapter 1 - Expressions, Equations, and Inequalities - 1-3 Algebraic Expressions - Practice and Problem-Solving Exercises - Page 22: 18
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