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

The mean of 3 numbers is 7.two numbers are 4 and -5 Find the third number
asked 30.4k views
5 votes
The mean of 3 numbers is 7.two numbers are 4 and -5
Find the third number

asked
User Masuma
by
7.6k points

2 Answers

3 votes

l don't

know about this thing

answered
User JMarsh
by
8.7k points
1 vote

Explanation:

(-5+4+x)÷3=7

-5+4+x=21

x=21-4+5

x=22

answered
User Chocolata
by
8.7k points
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