SOLUTION: If 2x+7y=17 and 2x+5y=11, what is the value of 2y?

Question 248225: If 2x+7y=17 and 2x+5y=11, what is the value of 2y?
Found 2 solutions by stanbon, richwmiller:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If 2x+7y=17
and 2x+5y=11,
what is the value of 2y?
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Subtract the 2nd equation from the 1st to get:
2y = 6
============
Cheers,
Stan H.

Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!

We can solve for a numerical value or a value in terms of x.
2x+7y=17 and 2x+5y=11
But notice if we subtract the second equation from the first we get
2x+7y=17
2x+5y=11
2y=6

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