Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 3 - Section 3.1 - Systems of Linear Equations in Two Variables - Exercise Set - Page 190: 28

Answer

$(2,-3)$

Work Step by Step

To solve the given problem we will have to plug the simplest equation into the other equation and then solve for the other variable. $3x-4(1-2x)=18$ or, $11x-4=18$ or, $11x=2$ or, $x=2$ Now, $y=1-2x=1-2(2)=-3$ Hence, the desired result is: $(2,-3)$
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