1. -x-y- 3z = -9 z = -3x – 1 x = 5y – z + 23 %3D 2. y = x +2 +5 z = -3y – 3 2x- y = -4

Algebra: Structure And Method, Book 1
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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
Chapter6: Fractions
Section6.1: Simplifying Fractions
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Can you help me solve these with substitution please
Solving Sys
1. -x - y- 3z = -9
z = -3x – 1
x = 5y – z + 23
2. y = x+2 + 5
z = -3y – 3
2x- y = -4
Transcribed Image Text:Solving Sys 1. -x - y- 3z = -9 z = -3x – 1 x = 5y – z + 23 2. y = x+2 + 5 z = -3y – 3 2x- y = -4
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