Respuesta :

12s – 20 ≤ 50 – 3s – 25

Move incognito terms to the left with changed sign, and move known terms to the right with changed sign

12s + 3s ≤ 50 - 25 + 20

15s ≤ 45

[tex] \frac{15}{15} s ≤ \frac{45}{15}[/tex]


s ≤ 3

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