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Po drugie:
3|2x-7|+2≤17 | -2
3|2x-7| <= 15 | /3
|2x-7| <= 5
-5 <= 2x-7 <= 5 | + 7
2 <= 2x <= 12 | /2
1 <= x <= 6
6x - 21 + 2 ≤ 17
6x - 19 ≤ 17
6x ≤ 17+ 19
6x ≤ 36 / :6
x ≤ 6
3* |2|* |x-7/2|+2≤17
3*2* |x-7/2|≤15
6* |x-7/2|≤15 /:6
|x- 7/2|≤15/6
x≥7/2 |||| x< 7/2
x- 7/2 ≤ 15/6 |||| -x+ 7/2 ≤ 15/6
x≥7/2 |||| x<7/2
x≤ 72/12 |||| x≥ 12/12
x≥ 7/2 |||| x< 7/2
x≤ 6 |||| x≥1
x∈ <3,5 ; 6> x∈ <1; 3,5)