Lemma
EasyLinear equations
OpenStax, Intermediate Algebra 2e §2.3 Solve a Formula for a Specific Variable · Exercise 55 · Algebra · Linear equations

Solve a Formula for a Specific Variable · Exercise 55

Solve using a geometry formula.

The perimeter of a rectangle of 150 feet. The length of the rectangle is twice the width. Find the length and width of the rectangle.

~5 minWritten answer · check your work with Lemma

OpenStax, Intermediate Algebra 2e · §2.3 Solve a Formula for a Specific Variable · Exercise 55

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
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.