How do you use symbols to make the statement 71_5_9_2_2 = 61 true?

1 Answer
Feb 28, 2016

71-5-9+2xx2 = 61

or simply:

71-5-9+2+2 = 61

Explanation:

Multiplication takes precedence over addition or subtraction.

Once you are left with a sequence of additions and subtractions, work from left to right.

71-5-9+underbrace(2xx2)_xx

=underbrace(71-5)_(-)-9+4

=underbrace(66-9)_(-)+4

=underbrace(57+4)_(+)

=61

Or:

=underbrace(71-5)_(-)-9+2+2

=underbrace(66-9)_(-)+2+2

=underbrace(57+2)_(+)+2

=underbrace(59+2)_(+)

=61