Work. Do Not Solve

question 87

Short Answer

work. Do not solve.
-5x + 9y = -12
-4x - 4y = -32
A) Substitution B) Addition
Answer: B
Write the word or phrase that best completes each statement or answers the question.
--4x + 5y = A
4x - 3y = B
For what values of A or B can this system of equations have (0, 0) as a solution?

• A) Substitution B) Addition
• Answer: B
• Write the word or phrase that best completes each statement or answers the question.
• --4x + 5y = A
• 4x - 3y = B
• For what values of A or B can this system of equations have (0, 0) as a solution?

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Definitions:

Research Method

The systematic approach, technique, or way of planning and conducting scientific investigations in any given field of study.

Scientific Theories

Well-substantiated explanations of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment.

Science Goal

The objective or aim pursued in a scientific endeavor to discover, explain, or understand phenomena.

Data Collection Techniques

Various methods and tools used to gather information, facts, or data for analysis and decision-making purposes.