Solve by the Substitution Method

question 87

Multiple Choice

Solve by the substitution method.
-6x + 9y = 114 4x - 4y = -4

• A) No solution
• B) (7, 9)
• C) (6, 9)
• D) (7, 8)

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Definitions:

Environmental Laws

Laws and regulations designed to protect the environment from harm caused by human activities, ensuring sustainable and safe natural environments.

Drilling Operations

Activities involved in creating boreholes in the earth, primarily for exploring and extracting natural resources like oil and gas.

Refineries

are industrial plants where raw materials, such as crude oil or sugar cane, are processed and converted into finished products like gasoline or refined sugar.

Clean Air Act

An extensive federal statute in the U.S. that controls emissions from both stationary and mobile sources in order to safeguard public health and the environment.