Use Cramer's Rule to solve (if possible) the system of linear equations. x1 + 2x2 =8 - x1 + x2 = 1 Required: Find the coefficient matrix.

Dkong asked Jul 12, 2022

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Use Cramer's Rule to solve (if possible) the system of linear equations.

x1 + 2x2 =8
- x1 + x2 = 1

Required:
Find the coefficient matrix.

Dkong asked Jul 12, 2022

by Dkong

2.3k points

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23 votes

Answer:

x1 = 2

x2 = 3

Explanation:

$x_1=(D_(x1))/(D)\\\\x_2=(D_(x2))/(D)$

Here D is the coefficient matrix.

Hence

$x_1=(6)/(3)\\x_1=2$

$x_2=(9)/(3)\\x_2=3$

KellCOMnet answered Jul 15, 2022

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