Question

What number should be added to -18 in order to get zero as the and

Answer 1

Answer:

18 should be added to -18 to get zero

Step-by-step explanation:

Answer 2

Answer:

18

Step-by-step explanation:

let x be the unknown number

-18 + x = 0

0-(-18) = x

0 - (-18) = 18

x = 18

Therefore, 18 should be added to -18 in order to get zero as the answer