Answer This Equation & Have Fun!

Yeah, the answer is indeed 138. It's best to tackle the sum from left to right.

Left to Right :

8+5 = 13 - 10 = 3 + 45 = 48 - 10 = 38 + 100 = 138

Right to Left :

100 + 10 = 110 - 45 = 65 + 10 = 75 - 5 = 70 + 8 = 78

Which answer do you like ?

The way it's suppost to be read ,
Left to Right C;

Did you do It Mentally or Calculated?

Yep (:

138