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3x-2x+2 ≥ 3x-12 -4+6x
x+2 ≥ 9x -16
-8x ≥ -18 |:(-8)
x ≤ 2,25
a) 0,1,2
b)-2,-1,0,1,2
c) 4
3x-2x+4 ≥ 3x-12-4+6x
x+4 ≥ 9x-16 / -x
4 ≥ 8x -16 /+16
20 ≥ 8x / :8
2,5 ≥ x
a) 2;1
b)nie wiem
c) nie wiem