Solve the System of Equations by Substitution

question 95

Multiple Choice

Solve the system of equations by substitution.
-5x + 3y = 80 2x + y = 30

• A)(0, 10)
• B)(-10, 10)
• C)(10, 0)
• D)(10, 10)

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Definitions:

Tested Condition

A Boolean expression evaluated in control structures like if statements and loops to control the flow of execution based on its truthfulness.

Posttest Loop

A loop that executes its body at least once before checking its condition at the end of each iteration.

Condition-Controlled

A loop that executes as long as a specific condition remains true.

Sentinel-controlled

Describes a loop or sequence that continues execution until a sentinel value is encountered.