Solve the System by Using the Substitution Method $$\left( \begin{array} { l } 7 x - 2 y = 26 \\x = 2 y - 4\end{array} \right)$$

question 36

Multiple Choice

Solve the system by using the substitution method. $$\left( \begin{array} { l } 7 x - 2 y = 26 \\x = 2 y - 4\end{array} \right)$$

• A) \(\left( 9 , \frac { 9 } { 2 } \right)\)
• B) \(\left( 5 , \frac { 9 } { 2 } \right)\)
• C) \(\left( \frac { 9 } { 2 } , 5 \right)\)
• D) infinitely many solutions
• E) no solutions

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Irrelevant Information

Information that has no bearing on the decisions being made, providing no value to the decision-making process.

Anchoring

A cognitive bias that describes the human tendency to rely too heavily on the first piece of information offered when making decisions.

Time Inconsistency

The human tendency to systematically misjudge at the present time what will actually end up being desired at a future time.

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