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OpenStudy (anonymous):
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?
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OpenStudy (anonymous):
x = 57-21
OpenStudy (anonymous):
so x = 36
hero (hero):
Yup
OpenStudy (anonymous):
it has these options n = 57 + 21 21 = n – 57 57 = 2 + 21 Not Here 57 = n + 21
OpenStudy (anonymous):
the last one
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OpenStudy (anonymous):
57 = n + 21
hero (hero):
I agree
OpenStudy (anonymous):
thank u i would have never guessed that thanks
hero (hero):
QED, make a mistake. It'll help me feel better
OpenStudy (anonymous):
lol plz dont though
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OpenStudy (anonymous):
:D
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