a) Determine if the equation is linear. If it is, solve it: 2/3 x – 1/4 (x + 2) = 0.3x + 1

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter4: Systems Of Linear Equations
Section4.5: Solve Systems Of Equations Using Matrices
Problem 4.73TI: Write each system of linear equations as an augmented matrix: (a) {3x+8y=32x=5y3...
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  1. a) Determine if the equation is linear. If it is, solve it:

2/3 x – 1/4 (x + 2) = 0.3x + 1

 

  1. b) Solve by matrix inversion                                                                                        

                   –5x + 3y + z = –15

                   10x + 2y + 8z = 18

                    15x + 5y + 7z = 9

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