Solve the System by Substitution,if Possible $$\left\{ \begin{array} { l } - 6 x + 7 y = 50 \\12 x + 14 y = 124\end{array} \right.$$

question 5

Multiple Choice

Solve the system by substitution,if possible.​ $$\left\{ \begin{array} { l } - 6 x + 7 y = 50 \\12 x + 14 y = 124\end{array} \right.$$ ​

• A)(9,-6)
• B)(1,8)
• C)(-6,9)
• D)(-7,10)
• E)No solutions

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Psychological Variable

An attribute, trait, or condition of an individual that can be measured or observed in psychology.

Researcher

An individual who conducts systematic investigations into phenomena, often through structured study and experimentation, to establish facts or reach new conclusions.