In which quadrant does the solution of the system fall? y=x-1

y=-3x-5

To determine the quadrant in which the solution of the system falls, we need to find the values of x and y that satisfy both equations.

First, let's solve the system by setting the two equations equal to each other:

x - 1 = -3x - 5

Adding 3x to both sides:

4x - 1 = -5

Adding 1 to both sides:

4x = -4

Dividing both sides by 4:

x = -1

Now we can substitute this value of x into either equation to find y:

y = -1 - 1
y = -2

Therefore, the solution of the system is (-1, -2).

Since both x and y are negative, the solution (-1, -2) falls in the third quadrant.