Answer
Yes
Work Step by Step
$-x=y$
Substitute values and determine whether the resulting expression is true.
$-(-3.1)\overset?=3.1$
$3.1=3.1\checkmark$
Thus, the ordered pair is a solution to the equation.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 1 - Foundations for Algebra - 1-9 Patterns, Equations, and Graphs - Practice and Problem-Solving Exercises - Page 64: 12
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