# Mathematics - Systems of Linear Equations

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Week 3 Assignment 3: Mixed Problems

For the systems of linear equations in questions 1-3

- Determine how many solutions exist

- Use either elimination or substitution to find the solutions (if any)

- Graph the two lines, labeling the x-intercepts, y-intercepts, and points of intersection

1. (8 points) y = 2x + 3 and y = -x - 4

2. (8 points) 2x + 3y = 8 and 3x + 2y = 7

3. (8 points) x + y = 3 and y = x + 3

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