Question

Which number is equal to 1-121-1-31?
O-15
O-9
09
O 15

Answer 1

The expression 1-121-1-31 simplifies to -152.

Step-by-step explanation:

The expression 1-121-1-31 can be simplified by performing the subtraction operations from left to right. Starting with 1 minus 121 equals -120, then subtracting 1 gives -121, and finally subtracting 31 results in -152.

Learn more about Simplifying mathematical expressions