Web Desk: Mathematical equations are the best way to train your mind. Solve this mind teaser mathematical problem but Keep in mind that it is little bit hard to simplify.

Place the missing “+” or “-“ symbols in this equation without changing the order of the number.

You can use copy and pen to solve it.

Still have confusions?

Okay, here is the correct answer.

First you put “+” then “-“.

1 + 17 – 3 = 9 + 6

18 - 3 = 15

15 = 15

Source: Brightside