OpenStax, Algebra and Trigonometry 2e §11.1 Systems of Linear Equations: Two Variables · Example 5 · Algebra · Systems
Solving a System of Equations in Two Variables by Substitution
Solve the following system of equations by substitution.
OpenStax, Algebra and Trigonometry 2e · §11.1 Systems of Linear Equations: Two Variables · Example 5
Stuck? A gentle nudge
No hints for this one.
Your working
Check your full solution
Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.