Question

A+b=0
What does b equal

Answer 1

option d -a

if you take a to the opposite side of the equal mark it's sign is going to change since it's positive it's going to be negative on the other side 0 -a = -a

baam answer

Answer 2

Answer: D) -a

Explanation:

a+b=0 , add -a for both side

- a + a + b = 0 - a

we cancel (- a + a) and we get

b = 0 - a => b = -a