Find the value of Q in the following system so that the solution to the system is {(x,y): x-3y=4} ?

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1 Answer
dhruv ahlawat
Mar 14, 2018

Q=2

Explanation:

just multiply the entire first function by 2

therefore,
(x−3y=4)⋅2
=

therefore,
=2x−6y=8
=

this is the same as the second function and in it, the coefficient of x is 2, therefore Q=2

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