SOLUTION: If 2x+3y=11 and 2x-5y=3.what is the arithmetic mean of x and y?

Question 1085728: If 2x+3y=11 and 2x-5y=3.what is the arithmetic mean of x and y?

Found 2 solutions by Fombitz, Alan3354:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Subtract the two equations,

So then,

.
.
.

Work that out for the answer.

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
If 2x+3y=11 and 2x-5y=3.what is the arithmetic mean of x and y?
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Solve for x & y, then find the average of x & y.
Average = (x+y)/2
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arithmetic mean is the average.

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