Question

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$5(3 - x) \leqslant 25$
$2x + 12 \leqslant 16$
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Answer 1

Răspuns:

Explicație pas cu pas:

5(3 - x) ≤ 25

15 - 5x ≤ 25

5x ≥ 15 - 25

5x ≥ -10

x ≥ -10 : 5

x ≥ -2

_______________

2x + 12 ≤ 16

2x ≤ 16 - 12

2x ≤ 4

x ≤ 4 : 2

x ≤ 2