Solve the System by Substitution

question 23

Multiple Choice

Solve the system by substitution. Substitute the expression in the second equation into the first equation and solve. If the lines coincide, answer dependent . If the lines are parallel, answer no solution .

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Definitions:

Left Hypochondriac Region

An area of the abdomen located to the left of the epigastric region and above the left lumbar region, containing parts of the stomach and the left kidney.

Left Iliac Region

An area of the abdomen on the left side that is bounded by the iliac crest; often associated with parts of the colon and small intestine.

Epigastric Region

An area of the abdomen located just above the stomach and below the ribcage, often associated with stomach pain or discomfort.

Umbilical Region

The central area of the abdominal surface located around the umbilicus or belly button, often used as a reference point in abdominal anatomy.