Question

What is the solution set of the given system?
2x - y - 4 = 0
3x + y - 9 = 0

Choices;{(6/5, 13/5)}
{(13/5, 6/5)}
{(5, 6)}
{(6, 5)}

Answer 1

2x - y - 4 = 0
y = 2x - 4

Substituting this in second equation:
3x + 2x - 4 - 9 = 0
5x = 13
x = 13/5.

So its second one.

Answer 2

Thanks!

Answer 3

you are welcomed.