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| 1. |
X+y=35 4x-5y=5 |
| Answer» x + y = 35 ............(1)4x - 5y = 5 ...............(2)From (1) , x = 35 - yPutting x = 35 - y in (2) we get,4 ( 35 - y)- 5y = 5 140- 4y - 5y = 5 - 9y = 5 - 140 y = -135/-9 y = 15 x = 35 - 15 = 20 | |