" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
12 motocykli
y-ilość motocykli
5x+2y=59
x+y=19
5x+2y=59
y=19-x
5x+2(19-x)=59
y=19-x
5x+38-2x=59
y=19-x
3x=59-38=21 /:3
y=19-x
x=7
y=19-7=12
Na parkingu stało 7 samochodów i 12 motocykli