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Solve the System of Equations Using Substitution {x2y2=39xy=3\left\{ \begin{array} { l } x ^ { 2 } - y ^ { 2 } = 39 \\x - y = 3\end{array} \right.

question 113

Multiple Choice

Solve the system of equations using substitution.
- {x2y2=39xy=3\left\{ \begin{array} { l } x ^ { 2 } - y ^ { 2 } = 39 \\x - y = 3\end{array} \right.


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