5. When solving a system of equations by elimination, there are multiple correct ways you can start. Given the following system of equations, which answer is NOT the result of a correct first step? * 5x - 3y = -7 3x + 15y = -1 25x - 15y = -35 25x 15y =-7 %3D 3x + 15y = -1 3x + 15y = -1 Ов. 15x – 9y = -21 -15x +9y = 21 %3D -15x - 75y = 5 15x + 75y = -5 C. OD.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.7: Puzzle Problems
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3. When solving a system of equations by elimination, there are multiple correct ways you
can start. Given the following system of equations, which answer is NOT the result of a
correct first step? *
5x - 3y -7
3x +15y = -1
25x - 15y = -35
25x – 15y = –7
3x + 15y = -1
3x + 15y = -1
%3D
A.
OB.
15x - 9y = -21
-15x + 9y = 21
-15x -75y = 5
15x +75y = -5
D.
Oc.
Transcribed Image Text:3. When solving a system of equations by elimination, there are multiple correct ways you can start. Given the following system of equations, which answer is NOT the result of a correct first step? * 5x - 3y -7 3x +15y = -1 25x - 15y = -35 25x – 15y = –7 3x + 15y = -1 3x + 15y = -1 %3D A. OB. 15x - 9y = -21 -15x + 9y = 21 -15x -75y = 5 15x +75y = -5 D. Oc.
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