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Solve for the z in the equation x+2y-z=3 2x-y+2z=7 3x+2y+3z=21* *

Solve for the z in the equation x+2y-z=3 2x-y+2z=7 3x+2y+3z=21* *

Elementary Algebra
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter2: Solving Linear Equations And Inequalities
Section2.6: Solve A Formula For A Specific Variable
Problem 2.130TI: Solve the formula 5x+8y=1 for y.
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16. Solve for the z in the equation x+2y-z=3 2x-y+2z=7 3x+2y+3z=21 A. 1 B. 2 C. 4 D. -4
Transcribed Image Text:16. Solve for the z in the equation x+2y-z=3 2x-y+2z=7 3x+2y+3z=21 A. 1 B. 2 C. 4 D. -4
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