Rozwiąż równanie (jak wykonuję obliczenia to cos mi sie nie zgadza) potrzebuje na dzisiaj !
3m+n=9
2m-5n=-11
3m + =9
2m - 5n= -11
n=9 - 3m
2m - 5(9-3m)= -11
n=9-3m
2m - 45 + 15m= -11
17m= - 11 + 45
17m = 34 /:17
m=2
n=9-(3*2)
n=9 - 6
n=3
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3m + =9
2m - 5n= -11
n=9 - 3m
2m - 5(9-3m)= -11
n=9-3m
2m - 45 + 15m= -11
n=9 - 3m
17m= - 11 + 45
n=9 - 3m
17m = 34 /:17
n=9 - 3m
m=2
n=9-(3*2)
m=2
n=9 - 6
m=2
m=2
n=3