InterviewSolution
Saved Bookmarks
| 1. |
solve x and y x+y=3 4x_3y=26 |
|
Answer» x + y = 3x = 3 - y........ (i)4x - 3y = 26...... (ii)Put (i) in (ii)4(3 - y) - 3y = 2612 - 4y - 3y = 26-7y = 26 - 12-7y = 14y = -2Y = -2 in (i)x = 3 - (-2)x = 3 + 2x = 5\xa0 X+y=3 .......... (1) 4x_3y=26..........(2). Multiply equation (1) by 3& equation (2) by1 to make coefficient of y equal 3x+3y=9...........(3). 4x_3y=26..........(4). From equation (3)&(4). X=5&y=_2 x=5, y=-2 |
|