SOLUTION: The mean of eight numbers 4,6,4,7,x,x+1,8 and 2 is 5.Find x

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Question 1176938: The mean of eight numbers 4,6,4,7,x,x+1,8 and 2 is 5.Find x
Found 2 solutions by Boreal, MathLover1:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
The total has to be 40 since mean=total/8
the non-x numbers add to 31, so x and x+1=9 and x=4

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

%284%2B6%2B4%2B7%2Bx%2B%28x%2B1%29%2B8+%2B+2%29%2F8=5
2x%2B+32=5%2A8
2x=40-32
2x=8
x=4
and %28x%2B1%29=4%2B1=5
your eight numbers are:
4,6,4,7,4,5,8,+2