Rozwiąż dowlne 3 przykłady z równań metodą podstawiania
Prosze pomurzcie mi nie umiem tego
X+Y=3
2x-y=0
x=3-y
2(3y-y)-y=0
6-2y-y=0
y=2
x=3-2
x=1
x=y
5x-y=4
5y-y=4
4y=4/4
y=1
y=2x+1
4x+y=13
4x+2x+1=13
6x=12
x=2
y=5
licze na naj
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X+Y=3
2x-y=0
x=3-y
2(3y-y)-y=0
x=3-y
6-2y-y=0
x=3-y
y=2
x=3-2
y=2
x=1
y=2
x=y
5x-y=4
x=y
5y-y=4
x=y
4y=4/4
x=y
y=1
x=1
y=1
y=2x+1
4x+y=13
y=2x+1
4x+2x+1=13
y=2x+1
6x=12
y=2x+1
x=2
y=5
x=2
licze na naj