" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
3x+x=60 /4
x=15
odpowiedz syn ma 15 lat a ojciec 45
y - wiek ojca
x+y=60
3x=y
x+3x=60
4x=60 / 4
x=15
3x=y
3*15 = y
45 = y
Wiek ojca - 45, a syna - 15
y - syn
x + y = 60
x = 3y
x + y = 60 /*3
x - 3y = 0
3x + 3y = 180
x - 3y = 0
4x = 180 /:4
x = 45 wiek ojca
45 + y = 60
y= 15 wiek syna
Odp. Ojciec ma 45 lat, a syn 15