csorensen702 csorensen702

11-02-2020
Mathematics

contestada

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

X-3y=4
Qx-6y=8

Respuesta :

ghanami ghanami

11-02-2020

Answer:

Q=2

Step-by-step explanation:

hello :

the solution to the system is

{(x,y) : x-3y=4} means infinty solution

X-3y=4 ....(*)

Qx-6y=8....(**)

multiply (*) by -2

-2x+6y = -8 (***)

add (*) and (***) : (Q-2)x =0

this ie true for reals x when Q=2

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