OpenStax, Intermediate Algebra 2e §4.7 Graphing Systems of Linear Inequalities · Exercise 132 · Algebra · Systems

Graphing Systems of Linear Inequalities · Exercise 132

Solve each system of equations. Use either substitution or elimination.

$⎩ ⎨ ⎧ x + y - z = - 1 2 x - y + 2 z = 8 - 3 x + 2 y + z = - 9$

~8 minWritten answer · check your work with Lemma

OpenStax, Intermediate Algebra 2e · §4.7 Graphing Systems of Linear Inequalities · Exercise 132

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.