Answer
y=-5
x=8
Work Step by Step
Solve the second equation for x.
x=13+y
Substitute for x in the first equation.Solve for y.
3(13+y)+4y=4
39+3y+4y=4
7y=-35
y=-5
Substitute y=-5 for y into second equation
x=13-5
x=8
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter 5 - Section 5.1 - Systems of Linear Equations - 5.1 Exercises - Page 486: 8
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
