Saved Bookmarks
| 1. |
Carmers rule 2x-3y-1=03x-y+2=0 |
|
Answer» x=y=-1Step-by-step EXPLANATION:(2x-3y=1)(3)(3x-y=-2)(2)6x-9y=36x-2y= -4-. +. +------------------ -7y=7 y=-7/7 y=-1 2x-3y=1=> 2x-3(-1)=1 => 2x+3=1=> 2x=1-3=> 2x=-2=> x=-2/2=> x=-1 |
|