Question

Solve the system of equations using Cramer’s Rule if it is applicable.If Cramer’s Rule is not applicable,say so.

Answer 1

Step 1:

The system of equations are and .

Convert the equations into matrices form ,

where is coefficient matrix, is variable matrix and is constant matrix.

Solve the equations by using Cramer's Rule.

Since Cramer's Rule is applicable.

Step 2:

.

Solution:

.