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• 3x + 2= 3(2)+2=8
• 3x+2= 3(3)+2=11
• 3x+2= 3(4)+2=14
• 3x + 2=3(5)+2=17
A={8,11,14,17}
8+11+ 14+17=50
Respuesta: 50
b) 125
c) 40
d) 67