rozwiaz uklady rownan metoda podstawiania
DAM 25 PKT!! prosze pomóżcie :)
1) -2x+5y=-10
7x-4y=8
2) 9x+8y=1
5x-6y=11
3) 3x-2y=6
x-4=0
4) 3x+y=1
y+2x=0
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