Solve the System of Linear Equations Using the Elimination Method $$\begin{aligned}7 x - 5 y - z & = 27 \\x - 8 y + 9 z & = 4 \\3 x + y + z & = 33\end{aligned}$$

question 223

Multiple Choice

Solve the system of linear equations using the elimination method.
- $$\begin{aligned}7 x - 5 y - z & = 27 \\x - 8 y + 9 z & = 4 \\3 x + y + z & = 33\end{aligned}$$

• A)(8, 4, 5)
• B)(-8, 5, 16)
• C)(16, 5, -8)
• D)(8, 5, 4)

Identify and explain the various forms of leisure in modern cities and their significance to different ethnic groups, classes, and sexes.

Understand the geographic distribution and key characteristics of the iron and steel industry in the United States at the turn of the 20th century.

Recognize the transformation in the scale and dynamics of industrial development in the United States by the end of the 19th century.

Identify common characteristics between American and Northern European manufacturing regions.