InterviewSolution
Saved Bookmarks
| 1. |
Solve by elimination method...3x+2y=42x-3y=7 |
| Answer» 3x+2y=4 ........ (i)2x-3y=7 ....... (ii)Multiply (i) by 3 and (ii) by 29x + 6y = 12......... (iii)4x - 6y = 14 ......... (iv)Add (iii) and (iv)13x = 26x = 26/13 = 2Put x = 2 in (i) , we get3(2) + 2y = 46 + 2y = 42y = 4 - 62y = -2y = -1 | |