Álgebra Exemplos

$[\begin{array}{c} 8 & - 1 & - 7 \\ 1 & - 9 & 9 \\ 0 & 3 & - 6 \end{array}] - [\begin{array}{c} - 5 & 8 & 5 \\ 2 & - 3 & - 9 \\ - 1 & 4 & - 8 \end{array}]$

Etapa 1

Subtraia os elementos correspondentes.

$[\begin{array}{c} 8 + 5 & - 1 - 8 & - 7 - 5 \\ 1 - 2 & - 9 + 3 & 9 + 9 \\ 0 + 1 & 3 - 4 & - 6 + 8 \end{array}]$

Etapa 2

Simplifique cada elemento.

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Etapa 2.1

Some $8$ e $5$ .

$[\begin{array}{c} 13 & - 1 - 8 & - 7 - 5 \\ 1 - 2 & - 9 + 3 & 9 + 9 \\ 0 + 1 & 3 - 4 & - 6 + 8 \end{array}]$

Etapa 2.2

Subtraia $8$ de $- 1$ .

$[\begin{array}{c} 13 & - 9 & - 7 - 5 \\ 1 - 2 & - 9 + 3 & 9 + 9 \\ 0 + 1 & 3 - 4 & - 6 + 8 \end{array}]$

Etapa 2.3

Subtraia $5$ de $- 7$ .

$[\begin{array}{c} 13 & - 9 & - 12 \\ 1 - 2 & - 9 + 3 & 9 + 9 \\ 0 + 1 & 3 - 4 & - 6 + 8 \end{array}]$

Etapa 2.4

Subtraia $2$ de $1$ .

$[\begin{array}{c} 13 & - 9 & - 12 \\ - 1 & - 9 + 3 & 9 + 9 \\ 0 + 1 & 3 - 4 & - 6 + 8 \end{array}]$

Etapa 2.5

Some $- 9$ e $3$ .

$[\begin{array}{c} 13 & - 9 & - 12 \\ - 1 & - 6 & 9 + 9 \\ 0 + 1 & 3 - 4 & - 6 + 8 \end{array}]$

Etapa 2.6

Some $9$ e $9$ .

$[\begin{array}{c} 13 & - 9 & - 12 \\ - 1 & - 6 & 18 \\ 0 + 1 & 3 - 4 & - 6 + 8 \end{array}]$

Etapa 2.7

Some $0$ e $1$ .

$[\begin{array}{c} 13 & - 9 & - 12 \\ - 1 & - 6 & 18 \\ 1 & 3 - 4 & - 6 + 8 \end{array}]$

Etapa 2.8

Subtraia $4$ de $3$ .

$[\begin{array}{c} 13 & - 9 & - 12 \\ - 1 & - 6 & 18 \\ 1 & - 1 & - 6 + 8 \end{array}]$

Etapa 2.9

Some $- 6$ e $8$ .

$[\begin{array}{c} 13 & - 9 & - 12 \\ - 1 & - 6 & 18 \\ 1 & - 1 & 2 \end{array}]$