Lemma
EasySystems
OpenStax, Algebra and Trigonometry 2e §11.2 Systems of Linear Equations: Three Variables · Example 1 · Algebra · Systems

Systems of Linear Equations: Three Variables · Example 1

\left\{\begin{matrix} 3 x + y + z = 2 \\ x + 2 y + z = - 3 \\ 3 x + y + 2 z = 4 \end{matrix}\right at and at

~5 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §11.2 Systems of Linear Equations: Three Variables · Example 1

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
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.