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If 2x + y = 23 and 4x - y = 19, then fin...

If `2x + y = 23` and `4x - y = 19`, then find the values of `5y - 2x ` and `(y)/(x) - 2`.

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The correct Answer is:
the value of (5y - 2) and `(y)/(x) -2` are 31 and `- (5)/(7)` respectively .
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