OpenStax, Intermediate Algebra 2e §4.1 Solve Systems of Linear Equations with Two Variables · Exercise 69 · Algebra · Systems
Solve Systems of Linear Equations with Two Variables · Exercise 69
Solve the system of equations by substitution and explain all your steps in words:
This is an open-ended exercise: its source gives no single answer.
OpenStax, Intermediate Algebra 2e · §4.1 Solve Systems of Linear Equations with Two Variables · Exercise 69
Stuck? A gentle nudge
No hints for this one.
Your working
Check your full solution
Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.
Your first check today doesn't need an account.
Your photos and PDFs are read once and not stored — only the transcription is kept.