Answer
multiplication
Step-by-step explanation:
32-x=0; with x equaling the amount descended or -32.
Answer:

Step-by-step explanation:
For this case we have the following system of two equations with two unknowns:

Adding both equations we have to eliminate the variable "x":

Adding common terms, keeping in mind that different signs are subtracted and the sign of the major is placed:

Answer:

Option A