Q10 of 71 Page 68

If 2x + 3y = 7 and 3x + 2y = 3, then x — y =

Given: 2x + 3y = 7 …(i)


3x + 2y = 3 …(ii)


Subtract (i) from (ii),


3x + 2y – 2x – 3y = 3 – 7


⇒ x – y = – 4

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