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D
zad 5.
C
|x-3|-4 =0
|x-3|=4
x= 7 lub x= -1
zad 6.
A
są to liczby z zakresu <-9 , 3>
zad 7.
D
-3/2 - 2x = -1/3
-2x = -1/3 + 3/2
-2x = 7/6
x = -7/12