Saved Bookmarks
| 1. |
Solve the following pair of linear equations for x and y: 3x – y – 7 = 0 and 2x + 5y + 1 = 0 The value of x is………. And value of y is ………. * |
|
Answer» x=2y=-1Explanation:3x-y-7=0 - EQUATION 12x+5y+1=0 - equation 2 3x-y-7 =0*22x+5y+1=0*36x-2y-14=06x+15y+3=0 SUBTRACT them .°. -17y-17 =0y = 17/-17y= -1(put in equation 1)3x -(-1)-7=03x+1-7=03x-6=03x=6x=6/3x=2thank uhope it HELPS you |
|