Question

If the sum of (-21) and x is 70 then the additive inverse of x is ......​

Answer 1

Answer:

-91

Step-by-step explanation:

-21 + x = 70

x = 70 + 21

x = 91

∴Additive inverse of x = -91

Answer 2

Answer:

Step-by-step explanation:

First , take out x

(-21) + x = 70

x = 70-(-21)

x = 70+21

x = 91

Now additive inverse x = (-91)