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Pré-cálculo Exemplos
,
Etapa 1
Etapa 1.1
Some aos dois lados da equação.
Etapa 1.2
Some e .
Etapa 2
Write the system as a matrix.
Etapa 3
Etapa 3.1
Perform the row operation to make the entry at a .
Etapa 3.1.1
Perform the row operation to make the entry at a .
Etapa 3.1.2
Simplifique .
Etapa 3.2
Multiply each element of by to make the entry at a .
Etapa 3.2.1
Multiply each element of by to make the entry at a .
Etapa 3.2.2
Simplifique .
Etapa 4
Use the result matrix to declare the final solution to the system of equations.
Etapa 5
The solution is the set of ordered pairs that make the system true.