Well, what have you tried? If you replace "y" in the second equation by "3x", you get a very simple quadratic equation in x alone. What quadratic equation and how do you solve it?
Hi, I have been given a homework by my teacher to solve the following equations. I have the answers for the question but all of my attempts at them have ended up in completely the wrong answers.
The answers for the questions are x = -1, y = -3 OR x = 1, y = 3
The equations are:
Probably very simple but I've hit a block and cant manage to work it out.