determine the number of solutions to this system of linear equations:

y = x + 5
y = -x + 5

1 answer

To determine the number of solutions to the given system of linear equations, we need to analyze the equations:

  1. \( y = x + 5 \)
  2. \( y = -x + 5 \)

We can set both equations equal to each other to find any intersection points:

\[ x + 5 = -x + 5 \]

Now, let's solve for \( x \):

\[ x + x = 5 - 5 \] \[ 2x = 0 \] \[ x = 0 \]

Now, substitute \( x = 0 \) back into either equation to find \( y \):

Using the first equation: \[ y = 0 + 5 = 5 \]

So, the intersection point (solution) is \( (0, 5) \).

Since the two lines intersect at a single point, the system of equations has exactly one solution.

Therefore, the number of solutions to the system is 1.