" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(x+y)/3-(x-y)/4=24 /*12
3(x+y)-2(x-y)=12
4(x+y)-3(x-y)=24
3x+3y-2x+2y=12
4x+4y-3x+3y=288
x+5y=12
x+7y=288
-------------- _
2y=288-12
2y=276 /:2
y=138
x+5*138=12
x=12-690
x=-678
3x+3y -2x+2y =12
x+5y=12
w drugim przez 12
4x+4y-3x+3y=288
x+7y=288
x=12-5y
12-5y+7y=288
x=12-5y
2y=276
y=138
x=12-5x138
y=138
y=-678
Proponuje to gdzieś sprawdzić w odpowiedziach