The mean of 3 numbers is 7.two numbers are 4 and -5 Find the third number

asked Feb 19, 2022 30.4k views

5 votes

The mean of 3 numbers is 7.two numbers are 4 and -5
Find the third number

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3 votes

l don't

know about this thing

JMarsh answered Feb 21, 2022

4.8k points

1 vote

Explanation:

(-5+4+x)÷3=7

-5+4+x=21

x=21-4+5

x=22

Chocolata answered Feb 23, 2022

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