### Home > CAAC > Chapter 7 > Lesson 7.2.1 > Problem 7-58

7-58.

Solve this system of equations:

Try using the Substitution Method.

No solution.

What does your solution tell you about the relationship between the lines?

When a solution exists it represents the point where the lines intersect.

Solve the second equation for

.Does the slope of each line confirm your statement in part (a)? Explain how.

What can you say about lines that have the same slopes?