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x-16=29
x=29+16
x=45
14+x=11
x=11-14
x= -3
x+17=20
x=20-17
x=3
zad 7
z=0,6
x=45
y=7
v=35
zad 8
3z=7
:3 :3
z= 7/3 = 2 1/3
-4u=20
: (-4) :(-4)
u= -5
t/5=9
:5 :5
t= 9/5= 1 4/5
3/4v=8
*4/3 *4/3
v=10 2/3