x + (x+2) + (x+ 4) = 2193
3x +6 = 2193
Subtract 6 on both sides of the equal sign.
3x =2187
Divide 3 on both sides of equal sign so that you isolate the variable
x= 729
729, 731, 733
To get the three numbers plug in x to each equation in the first line .
x =729 729+2 = 731 729+4 =733
