Question

Solve by matrix method
3x+2Y=14,3X+3Y=18

Answer 1

Answer:

3x+2y=14

-3x -3y =-18

y=4

3x+8=14

3x=6

x=2

Answer 2

1) 3x+2y=14

or, 3x+y=14-2

or, x+y=12÷3

or, x+y=4

2) 3x+3y=18

or, 3x+y=18-3

or, x+y=15÷3

or, x+y=5