Here, we are required to find the value of Q in the following system so that the system to the solution is {(x,y) : x-3y=4}
x-3y=4
2x-6y=Q
Therefore, Q = 8.
By comparison between equations: x-3y=4 and 2x - 6y = Q.
We need to multiply equation x - 3y = 4 by 2 so that it somewhat resembles 2x-6y=Q;
Ultimately, we have;
- 2x - 6y = 8 and
- 2x - 6y = Q
Therefore, the two equations now resemble one another and therefore, Q = 8
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