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b)5x + 0,5y-0,75x-0,25y+0,25x=4,5x+0,25y
4x+3z-5y-2 gdy x=3 y=2 z=4
4*3+3*4-5*2-12+12-10=24-10=14
b. 5x +0,5y-0,75x-0,25y+0,25x = 4,5x +0,25y
4x+3z-5y-2 gdy x=3 y=2 z=4
4*3+3*4-5*2-2 = 12+12-10-2= 12
a) a+b+2a = 3a+b
b) 5x + 0,5y-0,75x-0,25y+0,25x = 4,5x+0,25y
4x+3z-5y-2 = 4*3+3*4-5*2=12+12-10=14