Q13 Find x, y, a and b if
2x-3y a-b 3 1 x+4y 3a+4b
= 1 -2 3 1 6 29
2x-3y | a-b | 3 |
1 | x+4y | 3a+4b |
1 | -2 | 3 |
1 | 6 | 29 |
Solution


2x-3y | a-b | 3 |
1 | x+4y | 3a+4b |
1 | -2 | 3 |
1 | 6 | 29 |