Solve Using an Augmented Matrix 5x-6x=-7 , -15x+18x=21

Math
,
Subtract from .
Add and .
Write the system of equations in matrix form.
Row reduce to eliminate one of the variables.
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Perform the row operation on (row ) in order to convert some elements in the row to .
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Replace (row ) with the row operation in order to convert some elements in the row to the desired value .
Replace (row ) with the actual values of the elements for the row operation .
Simplify (row ).
Perform the row operation on (row ) in order to convert some elements in the row to .
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Replace (row ) with the row operation in order to convert some elements in the row to the desired value .
Replace (row ) with the actual values of the elements for the row operation .
Simplify (row ).
Use the result matrix to declare the final solutions to the system of equations.
Solve the equation for .
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Multiply both sides of the equation by .
Multiply by .
The solution is the set of ordered pairs that makes the system true.
Solve Using an Augmented Matrix 5x-6x=-7 , -15x+18x=21

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