Question

if [a+b] + c = a + [b+c] then check whether the sum of three consecutive even numbers begin with 42 ,is same

Answer 1

x+x+2+x+4:42

3x:42-6

3x:36

x:36/3

x:12.

first no. :x:12

second no.:x+2:12+2:14

third no.:x+4:12+4:16.