Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 3 Linear Systems and Matrices - 3.1 Solve Linear Systems by Graphing - 3.1 Exercises - Skill Practice - Page 156: 6

Answer

6,-2

Work Step by Step

To solve the equation by graphing, we graph the two lines, and we find the intersection points, knowing that these points are solutions. The problem asks us to solve algebraically, so we find: $$2-2y-4y=14 \\ y=-2$$ So: $$x=2-2\left(-2\right) =6$$
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