Solve the System $$\left\{ \begin{array} { r r } x - 5 y - z = & 5 \\- 3 x + 15 y + 3 z = & - 15 \\4 x - 20 y - 4 z = & 20\end{array} \right.$$

question 130

Multiple Choice

Solve the system.
- $$\left\{ \begin{array} { r r } x - 5 y - z = & 5 \\- 3 x + 15 y + 3 z = & - 15 \\4 x - 20 y - 4 z = & 20\end{array} \right.$$

• A) \(( - 3,4 , - 28 )\)
• B) \(( 4 , - 3,14 )\)
• C) \(\{ ( x , y , z ) \mid x - 5 y - z = 5 \}\)
• D) \(\varnothing\)

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Definitions:

Parent Company

A corporation that owns controlling interest in one or more other companies, referred to as subsidiaries.

Total NCI

Refers to the Total Non-Controlling Interest in a company, representing the equity in a subsidiary not attributable directly or indirectly to the parent company.

Parent Ltd

A corporation that holds a controlling interest in one or more other companies, also referred to as subsidiaries.

Indirect NCI

Non-controlling interest (NCI) that is not directly held by another entity but is held through one or more intermediaries.