Answer
Substitution
Work Step by Step
The first equation has only one variable (with a coefficient of 1) on one side of the equation, so it is easier to substitute the right side of the first equation into the second equation.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 6 - Systems of Equations and Inequalities - Mid-Chapter Quiz - Page 389: 17
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