Rozwiąż układ równań:
0,75x-66 2/3%y=1
33 1/3%x+0,25y=7
POMOCY!!!!!!
3/4x-2/3y=1
1/3x+1/4y=7 /*3
3/4(21-3/4y)-2/3y=1
x=21-3/4y
63/4-9/16y-2/3y=1
-59/48y=-59/4
y=12
x=21-3/4*12
x=12
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
0,75x-66 2/3%y=1
33 1/3%x+0,25y=7
3/4x-2/3y=1
1/3x+1/4y=7 /*3
3/4(21-3/4y)-2/3y=1
x=21-3/4y
3/4(21-3/4y)-2/3y=1
63/4-9/16y-2/3y=1
-59/48y=-59/4
y=12
x=21-3/4*12
x=12
y=12
x=12