# ICSE Class 10 Answered

**<div>In questions liken"If x/y=7/0, find (2x-3y)/(5x-4y)." can't I just subtitute the values of x & y in the ques. or is it necessary to use the formula?If yes, then please explain me how to do it briefly.</div>**

Asked by savi1405 | 10 Jun, 2016, 10:29: PM

Expert Answer

Answered by satyajit samal | 13 Jun, 2016, 09:15: AM

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