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y=x+7,x=2
Question
\left\{ \begin{array}{l}y=x+7\\x=2\end{array}\right.
Uh oh!
Solve the system of equations
\left(x,y\right) = \left(2,9\right)
Evaluate
\left\{ \begin{array}{l}y=x+7\\x=2\end{array}\right.
Solve using substitution
y=2+7
Simplify
y=9
Calculate
\left\{ \begin{array}{l}x=2\\y=9\end{array}\right.
Check the solution
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Check the solution
\left\{ \begin{array}{l}9=2+7\\2=2\end{array}\right.
Simplify
\left\{ \begin{array}{l}9=9\\2=2\end{array}\right.
Evaluate
\textrm{true}
\left\{ \begin{array}{l}x=2\\y=9\end{array}\right.
Solution
\left(x,y\right) = \left(2,9\right)

Solve using the substitution method

Solve using the elimination method

Solve using the Gauss-Jordan method

Solve using the Cramer's rule

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