Explicación paso a paso:
1. x-5 >21
x>26
2. 3n +5 < 32
3n < 27
n < 9
3. 3x-2 > 7
3x > 9
x > 3
4. 4y < 20
y < 5
5. 21 > x-19
40 > x
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Explicación paso a paso:
1. x-5 >21
x>26
2. 3n +5 < 32
3n < 27
n < 9
3. 3x-2 > 7
3x > 9
x > 3
4. 4y < 20
y < 5
5. 21 > x-19
40 > x