Question

The sum of two numbers is 57. One of the numbers is 21. Which of the following equations could be used to find the other number?

Answer 1

x = 57-21

Answer 2

so x = 36

Answer 3

Yup

Answer 4

it has these options
n = 57 + 21
21 = n – 57
57 = 2 + 21
Not Here
57 = n + 21

Answer 5

the last one

Answer 6

57 = n + 21

Answer 7

I agree

Answer 8

thank u i would have never guessed that thanks

Answer 9

QED, make a mistake. It'll help me feel better

Answer 10

lol plz dont though

Answer 11

:D