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a) x= 60 y=6 z=0,3
b) v= 12 u=-4 t=70
11
a) 2x=6 1,4y = 5y - 3z -3z
x=3 *4 *4 2z = *8
y=20 :-2 :-2
z = 4
b)
4u = u-5
3u = -5
:3 :3
u=1,6
Dalej nie mam ale chciałam pomóc chociaż tak