# How do I use Cramer's rule to solve the system of equations #3x-5y=-31# and #2x+y=1#?

##### 1 Answer

Oct 20, 2014

Convert the system of linear equations

into the matrix equation

Let u s now find the necessary determinants

The determinant of the coefficient matrix is

By replacing the first column by the right-hand side,

By replacing the second column by the right-hand side,

By Cramer's Rule,

I hope that this was helpful.