Xy 3 2x 3y 4 July 8, 2019 16 32 64 128 Xy 3 2x 3y 4z 17 y 2z 7 Xy 3 2x 3y 4z 17 y 2z 7 matrix X y 3 2x 3y =- 4 Xy 3 0 2x 3y 4 0 solve graphically Xy 2 )( 2x 3y 4 3 2x 3y 4 xy 3 0 by elimination method 4 2 8 3 xy 2x 3y 12 2 13 2x 3y )= 3 xy 4
