5. 3x – 3y = -6 z = -3x – 3y + 9 -4x + 5y + z = 8 %3D

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter1: Foundations
Section1.2: Integers
Problem 1.42TI: Evaluate: 4x2xy+5y2 when x=2,y=3 .
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Can you please help me solve this with substitution please
5. 3x – 3y = -6
z = -3x – 3y + 9
-4x + 5y + z = 8
6. a-2b + e =-6
a + 5c = -12
-a + 6b + 4c = 3
Transcribed Image Text:5. 3x – 3y = -6 z = -3x – 3y + 9 -4x + 5y + z = 8 6. a-2b + e =-6 a + 5c = -12 -a + 6b + 4c = 3
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