Saved Bookmarks
| 1. |
If 3x +Sy -8 and 5x+ 3y-24, then x -yA. 4 B. 16 C.8 D. 32 |
|
Answer» 3x + 5y = 8 .....(1)5x + 3y = 24 ...... (2)So,5 × eq(1) - 3 × eq(2)15x + 25y = 4015x + 9y = 72Solving we get,16y = -32y = - 2,Using eq(2)5x - 6 = 245x = 30x = 6So,x + y = 6 - 2 = 4option (A) is correct thankyou,♥️ can uu teach me in insta😅 |
|