Answer
$x=1,y=-1$
Work Step by Step
Using a graphing component, see attached graph. According to that the solution is: $x=1,y=-1$.
Check: $-1=3(1)-4=3-4$ and $2(1)+(-1)=2-1=1$
Thus it is indeed a good solution.
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 7 - Algebra: Graphs, Functions, and Linear Systems - 7.3 Systems of Linear Equations in Two Variables - Exercise Set 7.3 - Page 444: 12
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