Question

Complete the sentence
p - q is equivalent to ____ -p+(-q), -p+(q), p+(-q)

Answer 1

But you can only pick one

Answer 2

p-q is equivalent to -p+(-q), -p+(q), p+(-q) because the subtraction of q is equivalent to adding the negation of q or subtracting -q, and adding a negative is the same as subtracting.

Answer 3

p - q is equivalent to p + (-q).