Substitute x with 3y-1 to start with 3y-1+2y=9
Then you add 2y and 3y to get 5y-1=9
Add 1 with 9 to get 5y=10.
This gives you the value of y, which is 2.
With this information, we can solve for x. x+2(2)=9
First we multiply to get x+4=9
This means that x=5 and y=2
