a) x + 2y = 6
-x + 4y = 6
b) 2x + y = 3
3x - y = 7
a) x+2y=6 -x+4y=6
6y=12/6
y=2
x+2+2razy2=6
x+4=6
x=6-4
x=2
sprawdzenie:2+2razy2=6
2+4=6
6=6
b)2x+y=3
3x-y=7
5x=10/5
2razy2+y=3
4+y=3
y=3-4
y=-1
sprawdzenie2razy2+(-1)=3
4-1=3
3=3
_______________
6y =12
x+2*2=6
__________
5x=10
2*2+y=3
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a) x+2y=6 -x+4y=6
6y=12/6
y=2
x+2+2razy2=6
x+4=6
x=6-4
x=2
sprawdzenie:2+2razy2=6
2+4=6
6=6
b)2x+y=3
3x-y=7
5x=10/5
x=2
2razy2+y=3
4+y=3
y=3-4
y=-1
sprawdzenie2razy2+(-1)=3
4-1=3
3=3
a) x + 2y = 6
-x + 4y = 6
_______________
6y =12
y=2
x+2*2=6
x+4=6
x=2
x=2
y=2
b) 2x + y = 3
3x - y = 7
__________
5x=10
x=2
2*2+y=3
4+y=3
y=-1
x=2
y=-1