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2x + 1 + 2x + 3 + 2x + 5 + 2x + 7 + 2x + 9 = 625
2x + 2x + 2x + 2x + 2x + 1 + 3 + 5 + 7 + 9 = 625
10x + 25 = 625
10x = 625 - 25
10x = 600
x = 600/10
x = 60
2x + 1 = 2 (60) + 1 = 120 + 1 = 121
2x + 3 = 2 (60) + 3 = 120 + 3 = 123
2x + 5 = 2 (60) + 5 = 120 + 5 = 125
2x + 7 = 2 (60) + 7 = 120 + 7 = 127
2x + 9 = 2 (60) + 9 = 120 + 9 = 129
Solución : Los números son : 121, 123, 125, 127 y 129
x +(x +2)+(x+4)+(x+6)+(x+8)=625
5x+20=625
5x=625-20
5x=605
x=605/5
x=121
por lo tanto los números son:121, 123, 125, 127 y129
servido..