[" 4."2x-3y=13],[quad 7x-2y=20]

If the solution of pair of linear equations 2x- 3y= 13 and 7x- 2y= 20 " is " x=2 and y= -3 , then the value of m for which y= mx+7 is _____

If the solution of pair of linear equation 2x - 3y = 13 and 7x - 2y = 20 is x = 2 and y = - 3, then find the value of m for which y = mx + 7.

2x-3y=13; 7x-2y=20

By Matrix inverse method, solve 3x+4y+5z = 18, 2x-y+8z=13, 5x-2y+7z = 20 .

Solve the following system of equations by using Cramer,s ruel . 3x+4y+5z=18,2x-y+8z=13,5x-2y+7z=20

Solve the pair of linear equations 3x-y=3 and 7x+2y=20.

Solve the equations 3x+4y+5z=18,2x-y+8z=13,5x-2y+7z=20 by Gauss-Jordan method.