" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2x-3y=-6 /*3
-6x+8y=14 ⇒6x=8y-14
6x-9y=-18
8y-14-9y=-18
-y=-18+14
y=4
2x-3*4=-6
2x=-6+12
2x=6
x=3
Odp. x=3, y=4.