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2y-4=x
2(2y-4)-3y=0
4y-8-3y=0
y=8
x=2*8-4
x=16-4
x=12
Odp.
x=12
y=8
2x-3y=0
x-2y= -4
2x-3y=0
x= -4+2y
2(-4+2y)-3y=0
x= -4+2y
-8+4y-3y=0
x= -4+2y
y=8
x= -4+2*8
y=8
x= -4+16
y=8
x=12
y=8