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Zad.3
a)
3(6-2x) -4(2x-3) ≥ 1/2 x -2
18-6x-4x+12 ≥ 0,5x-2
-10,5x ≥ -32 /: -10i 1/2
x ≤ 32*2/21
x ≤ 64/21
x≤ 3i 1/21
b)
4(2x-1)+2(3-x)= 3x - 2(3x - 2)
8x - 4 + 6 -2x = 3x-6x+4
6x+2= -3x +4
9x=2
x= 2/9