Solve the System of Equations Using Substitution

question 217

Multiple Choice

Solve the system of equations using substitution.
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• A)x = 8, y = 7; x = 7, y = 8 or (8, 7), (7, 8)
• B)x = -8, y = 7; x = -7, y = 8 or (-8, 7), (-7, 8)
• C)x = 8, y = -7; x = 7, y = -8 or (8, -7), (7, -8)
• D)x = -8, y = -7; x = -7, y = -8 or (-8, -7), (-7, -8)

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Definitions:

Microtubules

Microtubules are cylindrical structures made of tubulin proteins, part of the cell's cytoskeleton, playing crucial roles in cell division, shape, and transport.

Cytoskeleton

A complex network of interlinking protein filaments and tubules in the cytoplasm of cells, giving them shape, coherence, and the ability to move.

Support

The action or role of bearing the weight or stress of something, or providing assistance and stability when needed.

Cytoplasm

The jelly-like substance within a cell that contains the organelles, excluding the nucleus.