Find the Complete Solution of the System $$\left\{ \begin{array} { r } 2 x + 3 y = 11 \\3 x + 3 y = 9 \\x + z = 1\end{array} \right.$$

question 21

Essay

Find the complete solution of the system. $$\left\{ \begin{array} { r } 2 x + 3 y = 11 \\3 x + 3 y = 9 \\x + z = 1\end{array} \right.$$

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Definitions:

Lignin

A substance found in many plant cell walls that confers rigidity and strength, particularly in woody tissues.

Polymer

A large molecule composed of repeating structural units, typically connected by covalent chemical bonds, found in many materials and biological systems.

Vascular Plants

Plants that have specialized tissues (xylem and phloem) for transporting water, nutrients, and sugars throughout the organism.

Angiosperms

The traditional name for flowering plants, a very large (more than 300,000 species), diverse phylum of plants that form flowers for sexual reproduction and produce seeds enclosed in fruits; include monocots and eudicots.