September 2018 2 18 Report
Rozwiąż podane układy równań dowolną metoda a) y+2-(3-x)=0
x-2=5-(2-y)
musi wyjść
x=3
y=-2



b) 3(x-y)+4x=8
3(x-5y)=5-9y
musi wyjść
x=1
y=-jedna trzecia






tylko krok po kroku wyjaśnijcie mi


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