" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x - pierwsza liczba
y- druga liczba
{x+y=16
{3x+y=23
3x +16 - x = 23 /-16
2x = 7 /:2
x=3,5
y=16-x
y=16-3,5
{y=12,5
{x=3,5
Odp. Są to liczby 3,5 i 12,5.
3x+y=16+7
x=16-y
3(16-y) + y =23
x=16-y
48 -3y +y =23
x=16-y
-2y=23-48
x=16-y
-2y=-25/: (-2)
y=12,5
x=16-12,5= 3,5