" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
4x-3y=-17 |×1
4x+10y=22
4×-3y=-17 -
--------------
13y= 39
y= 3
2x+5y=11 |×3
4x-3y=-17 |×-5
6x+15y=33
-20x+15y=85 -
------------------
26x= -52
x= -2
atau
2x+5y=11 |×3
4x-3y=-17 |×5
6x+15y=33
20x-15y=-85 +
------------------
26x= -52
x= -2
nilai 2x-y... 2(-2)-3=-4-3=-7