Algebra 2 (1st Edition)

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

Chapter 3 Linear Systems and Matrices - 3.2 Solve Linear Systems Algebraically - 3.2 Exercises - Skill Practice - Page 164: 6


-5, 1.5

Work Step by Step

Solving the equation using substitution, we find: $$3\left(1-4y\right)+2y=-12 \\ y=1.5$$ Thus: $$x=1-4\cdot \frac{3}{2}=-5$$
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