Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - 2-5 Literal Equations and Formulas - Practice and Problem-Solving Exercises - Page 114: 48


x=-y-z+1 y=-x-z+1 z=-x-y+1

Work Step by Step

Making up our own equation, with 3 variables, I choose x+y+z=1 Now to solve for x, all we do is subtract y and z from both sides. This gives x=-y-z+1. Doing the same for y and z, we get y=-x-z+1 and z=-x-y+1.
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