Question 525
important to note 3 consecutive even numbers
1st number =x     example 1st number =2, next number x+2 =4, next number x+4=6
2nd number =x +2
3rd number =x +4

sum of 1st and 3rd = 3 times of 2nd number - 22
so x + x+4 = 3(x+2) - 22
2x + 4 = 3x +6 - 22
2x -3x = 6 - 22 -4
-x = -20
answer x =20
so 1st number = 20
   2nd number = 22
   3rd number = 26