rozwiąż układy równań dowolną metodą
a) x+y=8
4x-y=12
b) x-2y=2
x+2y=10
x=8-y
4*(8-y)-y=12
32-4y-y=12
-5y=12-32
-5y=-20/(-5)
y=4
x=8-4
x=4
spr.
x+y=8
4+4=8
8=8
2x=12/2
x=6
6+2y=10
2y=10-6
2y=4/2
y=2
6+2*2=10
6+4=10
10=10
licze na naj
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a) x+y=8
4x-y=12
x=8-y
4*(8-y)-y=12
32-4y-y=12
-5y=12-32
-5y=-20/(-5)
y=4
x=8-4
x=4
spr.
x+y=8
4+4=8
8=8
b) x-2y=2
x+2y=10
2x=12/2
x=6
x+2y=10
6+2y=10
2y=10-6
2y=4/2
y=2
spr.
x+2y=10
6+2*2=10
6+4=10
10=10
licze na naj