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-0.2x-2-0.8x≤-x
0≤2
-o,2x-0,8x+x ≤ 2
0 ≤ 2
0,2x-2-0,8x≤-x
-0,6x-2≤-x
-2≤-0,4x //×(-1)
2≥0,4x //÷0,4
5≥x