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| 1. |
Solve the equation by subtuition method.x+y=5x-3y=4 |
| Answer» x\xa0+\xa0y\xa0= 5 ...\xa0(i)we getx\xa0= 5 -\xa0y Putting the value of\xa0x\xa0in equation\xa0(ii)\xa0we get5 –\xa0y – 3y\xa0= 4-4y\xa0= - 1y\xa0= 1/4\xa0Putting the value of\xa0y\xa0in equation\xa0(i)\xa0we getx\xa0= 5 – 1/4x\xa0= 19/4Hence,\xa0x\xa0= 19/4 and\xa0y\xa0= 1/4 | |