" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
y-ilość pokoi 3-osobowych
2x+3y=70
x+y=29
2x+3y=70
x=29-y
2(29-y)+2y=70
x=29-y
58-2y+3y=70
x=29-y
y=12
x=17
2*17+3*12=70
pokoi 2-osobowych było 17 a 3-osobowych 12
y-ilość pokoi trzyosobowych
2x+3y=70
x+y=29
2x+3y=70
x=29-y
2*(29-y)+3y=70
x=29-y
58-2y+3y=70
x=29-y
y=12
x=29-y
y=12
x=29-12
y=12
x=17