Answer
Ordered pair solution $(-1, -1)$
Work Step by Step
We have $$(1)6x-3y = -3$$ $$(2)4x+5y=-9$$
5*(1)+3*(2) $$30x+12x-15y+15y=-15-27$$ $$42x=-42$$ $$x=-1$$
Solving for $y$ $$y = (-3 -6(-1))\div(-3) =-1$$
Ordered pair solution $(-1, -1)$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 4 - Section 4.1 - Solving Systems of Linear Equations in Two Variables - Exercise Set - Page 212: 30
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.
