Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 8 - Coordinate Geometry and Linear Systems - 8.5 - Systems of Two Linear Equations - Problem Set 8.5: 54

Answer

In order to solve a system of equations, we (1) isolate one variable in one of the equations. We then (2) plug the value of this variable into the other equation. We then (3) solve the other equation for the value of one variable.

Work Step by Step

In order to solve a system of equations, we (1) isolate one variable in one of the equations. We then (2) plug the value of this variable into the other equation. We then (3) solve the other equation for the value of one variable.
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