Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
Related questions
Question
Transcribed Image Text:14. Solve the following system of equations using substitution. Show your work.
2a + 11 + b = 3c
2c - a = 3
6a20= 2b
15. Solve the following system of equations using the matrix method. Show your work.
Express your answers using 4 significant figures.
30a 12b = 15
-
6c22a=35b
49b + 16a + 4 = 28c
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