Proszę o obliczenie
2(t-k)=4
wyznacz zmienną k
2t-2k=4
-2k=4-2t//:(-2)
k=-2+t
-t+k=-2
k=t-2
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2(t-k)=4
2t-2k=4
-2k=4-2t//:(-2)
k=-2+t
2(t-k)=4
2t-2k=4
-t+k=-2
k=t-2