Question 910233
Let x be the smallest number
    x+1 be the second
    x+2 be the largest

2x + 3(x+2) = 126
2x+3x+6=126
2x+3x=126-6
5x=120
x=24

x+1=?
24+1=25

x+2=?
24+2=26

Checking:
2(24)+3(26)=126
48+78=126
126=126