We are given
first equation:
[tex] x-3y=4 [/tex]
second equation:
[tex] Qx-6y=8 [/tex]
Our second equation will be same as first equation if we multiply 2 in first equation
so, we will multiply 2 in first equation
[tex] 2*x-2*3y=2*4 [/tex]
[tex] 2x-6y=8 [/tex]
now, we can see that this equation is same as second equation
so, we can compare both
and we get
[tex] Q=2 [/tex]..............Answer
