Answer
Infinite
Work Step by Step
Rearranging, the x and y variables are on the left hand side. Multiplying the second equation by 2, we see the equations are the exact same. Since they are the same, all solutions work.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 6 - Systems of Equations and Inequalities - 6-2 Solving Systems Using Substitution - Practice and Problem-Solving Exercises - Page 372: 29
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