OpenStax, Intermediate Algebra 2e §4.4 Solve Systems of Equations with Three Variables · Exercise 4 · Algebra · Systems

Solve Systems of Equations with Three Variables · Exercise 4

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.

$⎩ ⎨ ⎧ x + 3 y - z = 15 y = \frac{2}{3} x - 2 x - 3 y + z = - 2$
ⓐ $(- 6, 5, \frac{1}{2})$ ⓑ $(5, \frac{4}{3}, - 3)$

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OpenStax, Intermediate Algebra 2e · §4.4 Solve Systems of Equations with Three Variables · Exercise 4

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