The system of equations has one unique solution, which is (x, y) = (1, 1).
This problem involves solving a system of equations with two variables, y and x. The equations given are:


To determine the number of solutions, let's examine the equations. The second equation is already solved for x in terms of y, so we can substitute this expression for x into the first equation:

Substitute


Simplify the equation:

Combine like terms:

Now, isolate y:




Now that we have found y, let's substitute it back into the second equation to find x:



After solving, we find that y = 1 and x = 1. Both equations are satisfied when x = 1 and y = 1. Therefore, the system of equations has one unique solution, which is (x, y) = (1, 1).