(a) x + 2y = -1 х — 2у %3 (b) х + 2у 3 10 х — 2у 3D —6

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter2: Matrices
Section2.2: Properties Of Matrrix Operations
Problem 13E: Solve for X in the Equation, given A=-401-532 and B=12-2144 a 3X+2A=B b 2A5B=3X c X-3A+2B=0 d...
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Use an inverse matrix to solve system of linear equations.

(a) x + 2y = -1
х — 2у %3
(b) х + 2у
3
10
х — 2у 3D —6
Transcribed Image Text:(a) x + 2y = -1 х — 2у %3 (b) х + 2у 3 10 х — 2у 3D —6
Expert Solution
Step 1

In matrix form, given system of equations cab be written as

Algebra homework question answer, step 1, image 1

We know that

Algebra homework question answer, step 1, image 2

Step 2

Therefore, 

Algebra homework question answer, step 2, image 1

Therefore, solution of system of equations is

Algebra homework question answer, step 2, image 2

 

 

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