Estimate the solution to the system of these linear equations based on the graph: y=-x+6 and y=3x-2

1 answer

To estimate the solution to the system of equations given by \( y = -x + 6 \) and \( y = 3x - 2 \), we can find the intersection point of the two lines represented by these equations. This intersection point is the solution to the system of equations.

  1. Set the equations equal to each other since they both equal \( y \): \[ -x + 6 = 3x - 2 \]

  2. Solve for \( x \):

    • Add \( x \) to both sides: \[ 6 = 4x - 2 \]
    • Add \( 2 \) to both sides: \[ 8 = 4x \]
    • Divide by \( 4 \): \[ x = 2 \]
  3. Substitute \( x = 2 \) back into one of the original equations to find \( y \). We'll use \( y = -x + 6 \): \[ y = -2 + 6 = 4 \]

Thus, the solution to the system of equations is \( (2, 4) \).

You can verify this by substituting \( x = 2 \) into the second equation \( y = 3x - 2 \): \[ y = 3(2) - 2 = 6 - 2 = 4 \]

So, the intersection point, and therefore the solution to the system of equations, is \( (2, 4) \).