Odpowiedź:
5/2 < (2 + x)/5 | * 10
5 * 5 < 2(2 + x)
25 < 4 + 2x
25 - 4 < 2x
2x > 21
x > 21/2
x > 10,5
x ∈ ( 10,5 ; + ∞ )
|--------------------------------------------------→
-------------------0----------------------------⁰------------------------------------------------→
10,5
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Odpowiedź:
5/2 < (2 + x)/5 | * 10
5 * 5 < 2(2 + x)
25 < 4 + 2x
25 - 4 < 2x
2x > 21
x > 21/2
x > 10,5
x ∈ ( 10,5 ; + ∞ )
|--------------------------------------------------→
-------------------0----------------------------⁰------------------------------------------------→
10,5