Question

To solve by determinant method x+2y=-1 and 2x-3y=12 by determinant method, find D

Answer 1

Answer:

D=6

Step-by-step explanation:

x+2y=1. 2x-3x=12

y=D

x+2D=1. 2x-3x=12

2D= -x -x=12

2D=12

D=12/2

D=6