bjr
-9x - 7 - (9 - 6x) ≥ 5x - 8
-9x - 7 - 9 + 6x ≥ 5x - 8
-3x - 5x ≥ -8 + 16
- 8x ≥ 8
x ≤ - 1
XXX : ensemble des solutions :
XXXXXXXXXXXX !.......!.................
-1 0
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bjr
-9x - 7 - (9 - 6x) ≥ 5x - 8
-9x - 7 - 9 + 6x ≥ 5x - 8
-3x - 5x ≥ -8 + 16
- 8x ≥ 8
x ≤ - 1
XXX : ensemble des solutions :
XXXXXXXXXXXX !.......!.................
-1 0