OpenStax, Intermediate Algebra 2e §4.4 Solve Systems of Equations with Three Variables · Exercise 2 · Algebra · Systems

Solve Systems of Equations with Three Variables · Exercise 2

Determine Whether an Ordered Triple is a Solution of a System of Three Linear Equations with Three Variables

Determine whether the ordered triple is a solution to the system.

$⎩ ⎨ ⎧ - 3 x + y + z = - 4 - x + 2 y - 2 z = 1 2 x - y - z = - 1$
ⓐ $(- 5, - 7, 4)$ ⓑ $(5, 7, 4)$

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OpenStax, Intermediate Algebra 2e · §4.4 Solve Systems of Equations with Three Variables · Exercise 2

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