MathGrit
ProblemsTechniquesPricing
Sign inGet started
Back to problems

Real xyz Symmetric System

2175ExpertSystems Of EquationsAlgebra

Harvard-MIT Mathematics Tournament

If $x$, $y$, and $z$ are real numbers such that $2x^{2} + y^{2} + z^{2} = 2x - 4y + 2xz - 5$, find the maximum possible value of $x - y + z$.
0 students attempted0% solvedRating 2175

Related practice paths

AIME PracticeInteger-answer practice for deeper multi-step problems.How to Qualify for AIMEScore goals, contest choice, and prep habits for AIME hopefuls.How to Review Missed AMC ProblemsTurn missed problems into a repeatable improvement loop.

Ready to check your answer?

Create an account to submit answers, save history, and track your rating.

Progressive Hints

Unlock hints one at a time — each reveals a little more without spoiling the solution.

Step-by-Step Solutions1

Multiple solution approaches with detailed walkthroughs, unlocked after you solve the problem.

AI-Powered Grading

Instant feedback on your answer — handles fractions, decimals, and equivalent forms.

Curated problem bank

Supported tracks for AMC, AIME, MATHCOUNTS, and olympiad-style training, plus global problem sources like UKMT, Euclid, and Kangaroo.