Prosze o pomoc. ! Nie umiem tego zabardzo. ;/
Dane są dwa układy równań:
1. x+y-3=0
x-2y-2=0
2. 2x+y=3
-2x+y=2
x+y=3/*2
x-2y=2
2x+2y=6
2x+2y+x-2y=8
3x=8/:3
x=2⅔
x+y=3
2⅔+y=3
y=⅓
2x+y-2x+y=6
2y=6/:2
y=3
2x+y=6
2x+3=6
2x=3/:2
x=1,5
licze na naj ;d
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1. x+y-3=0
x-2y-2=0
x+y=3/*2
x-2y=2
2x+2y=6
x-2y=2
2x+2y+x-2y=8
3x=8/:3
x=2⅔
x+y=3
2⅔+y=3
y=⅓
2. 2x+y=3
-2x+y=2
2x+y-2x+y=6
2y=6/:2
y=3
2x+y=6
2x+3=6
2x=3/:2
x=1,5
licze na naj ;d