Matemática discreta Exemplos

Resolva Usando uma Matriz Aumentada 5x-1y=10 , x-2y=8
,
Etapa 1
Reescreva como .
Etapa 2
Write the system as a matrix.
Etapa 3
Encontre a forma escalonada reduzida por linhas.
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Etapa 3.1
Multiply each element of by to make the entry at a .
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Etapa 3.1.1
Multiply each element of by to make the entry at a .
Etapa 3.1.2
Simplifique .
Etapa 3.2
Perform the row operation to make the entry at a .
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Etapa 3.2.1
Perform the row operation to make the entry at a .
Etapa 3.2.2
Simplifique .
Etapa 3.3
Multiply each element of by to make the entry at a .
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Etapa 3.3.1
Multiply each element of by to make the entry at a .
Etapa 3.3.2
Simplifique .
Etapa 3.4
Perform the row operation to make the entry at a .
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Etapa 3.4.1
Perform the row operation to make the entry at a .
Etapa 3.4.2
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.