Lemma
EasySystems
OpenStax, Algebra and Trigonometry 2e §11.1 Systems of Linear Equations: Two Variables · Example 2 · Algebra · Systems

Solve the system by graphing.

\left\{\begin{matrix} - x + y = 1 \\ 2 x + y = 10 \end{matrix}\right

Its source prints no answer for this problem, so there's nothing to check against.

~5 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §11.1 Systems of Linear Equations: Two Variables · Example 2

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.