OpenStax, Algebra and Trigonometry 2e §11.6 Solving Systems with Gaussian Elimination · Example 7 · Linear Algebra · Matrices

Using Gaussian Elimination to Solve a System of Equations

Use Gaussian elimination to solve the given $2 \times 2$ system of equations.

$2 x + y = 1 4 x + 2 y = 6$

~5 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §11.6 Solving Systems with Gaussian Elimination · Example 7

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.