Question 4517
>> x + (x+2) + ((x+2)+2) = 138

>> x + (x+2) + (x+4) = 138

>> x + x + 2 + x + 4 = 138

>> 3x + 6 = 138

>> 3x = 138 - 6

>> 3x = 132


>> {{{3x/3}}} = {{{132/3}}}


>> x = 44

>> (44) + (44+2) + ((44+2)+2) = 138

>> 44 + 46 + 48 = 138

>> 48 is the greatest number