no se pero de seguro alguien más te ayudará
So we are given a system:

Substitute x = 2 we get the system:

Multiply the first equation by -5 and the second by 2 we get the system:

Adding the two equations we get :

We find the value of y by using any of the other equations like this:

Final solution:
1.) 3/4
2.) It snowed 1/4 more on Tuesday than it did on Monday.