Question

La suma de tres números consecutivos impres es 51. Cuales son los números ?

-15,-15,-19
15,17,19
15,19,23
1,17,33
15,13,21

Answer 1

sea 2x+1: 2x+3; 2x+5 lis numeros impares consecutivos...

entonces:

2x+1+2x+3+2x+5 = 51
6x+ 9 = 51
6x = 51-9
6x = 42
x = 42/6
x = 7

2x+1 = 2(7) +1 = 14+1 = 15
2x+3 =2(7) +3 = 14+3 = 17
2x+5 = 2(7)+5 = 14 +5 = 19

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