Try another version of this question

Translate and simplify the expression:

The sum of -15 and 11, increased by 13 =

Calculated Results:

Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c

Be sure your variables match those in the question

`(-15+11)+13`

Box 2: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172

Enter DNE for Does Not Exist, oo for Infinity

9