Question

the some of two integers is -17. if one of them is -21, find the other
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Answer 1

Answer:

4 is the correct answer

Step-by-step explanation:

- 21 + x = -17

-17 - (-21) = x

4 = x

Answer 2

Answer:

4

Step-by-step explanation:

let unknown integer be x

x+(-21) = -17

x-21=-17

x=-17+21

x= 4

verification:

x-21 = -17

4-21 = -17

hence it is proved