What you’ll learn
Solve the system by substitution. You may enter a valid one-variable result or the final point.
Key idea
Replace that variable with the equal expression in the other equation.
Worked example
Solve the system by substitution. You may enter a valid one-variable result or the final point.
A: y = 1/2x B: y = -1x + 6
- (4, 2)
Answer: (4, 2)
Quick Check
Analyze the proposed student response. Choose Correct or Incorrect.
A: y = 1/2x - 5/2 B: y = -2x - 10 Student response: (-3, -4)