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
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#