OpenStax, Algebra and Trigonometry 2e §11.2 Systems of Linear Equations: Three Variables · Example 3 · Algebra · Systems

Determining Whether an Ordered Triple Is a Solution to a System

Determine whether the ordered triple $(3, - 2, 1)$ is a solution to the system.

$x + y + z = 2 6 x - 4 y + 5 z = 31 5 x + 2 y + 2 z = 13$

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OpenStax, Algebra and Trigonometry 2e · §11.2 Systems of Linear Equations: Three Variables · Example 3

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