Explicación:
a) 2X > 8+1
2X > 9
X > 9÷2
X > 4.5
b) 5X < 28-3
5X < 25
X < 25÷5
X < 5
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Explicación:
a) 2X > 8+1
2X > 9
X > 9÷2
X > 4.5
b) 5X < 28-3
5X < 25
X < 25÷5
X < 5