3. Find the solution set for each system by putting in the row-echelon form. a) x+y+z=6 2y + 5z = -4 2x + 5y z = 27

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
Section9.1: The Graphing Method
Problem 12WE
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3. Find the solution set for each system by putting in the row-echelon form.
a)
b)
d)
x+y+z=6
2y + 5z = -4
2x + 5y - z = 27
3x₁4x₂ + 4x3 = 7
2₁x₂2x3 = 2
2x13x2+6x3 = 5
2x₁x₂ + x3 + ₁ = 1
X₁ + 2x2 −X3 + 4 =7
1
-3x+6y=5
x + 2y = 6
Transcribed Image Text:3. Find the solution set for each system by putting in the row-echelon form. a) b) d) x+y+z=6 2y + 5z = -4 2x + 5y - z = 27 3x₁4x₂ + 4x3 = 7 2₁x₂2x3 = 2 2x13x2+6x3 = 5 2x₁x₂ + x3 + ₁ = 1 X₁ + 2x2 −X3 + 4 =7 1 -3x+6y=5 x + 2y = 6
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