Matematika Berhingga Contoh

$[\begin{array}{c} - 8 & - 14 & - 2 x \end{array}] - [\begin{array}{c} - 19 & 17 & - 1 \end{array}] + [\begin{array}{c} 14 & 13 & - 2 \end{array}] = [\begin{array}{c} - 3 & - 44 & - 9 \end{array}]$

Langkah 1

Kurangkan elemen yang seletak.

$[\begin{array}{c} - 8 + 19 & - 14 - 17 & - 2 x + 1 \end{array}] + [\begin{array}{c} 14 & 13 & - 2 \end{array}] = [\begin{array}{c} - 3 & - 44 & - 9 \end{array}]$

Langkah 2

Simplify each element.

Ketuk untuk lebih banyak langkah...

Langkah 2.1

Tambahkan $- 8$ dan $19$ .

$[\begin{array}{c} 11 & - 14 - 17 & - 2 x + 1 \end{array}] + [\begin{array}{c} 14 & 13 & - 2 \end{array}] = [\begin{array}{c} - 3 & - 44 & - 9 \end{array}]$

Langkah 2.2

Kurangi $17$ dengan $- 14$ .

$[\begin{array}{c} 11 & - 31 & - 2 x + 1 \end{array}] + [\begin{array}{c} 14 & 13 & - 2 \end{array}] = [\begin{array}{c} - 3 & - 44 & - 9 \end{array}]$

Langkah 3

Tambahkan elemen yang seletak.

$[\begin{array}{c} 11 + 14 & - 31 + 13 & - 2 x + 1 - 2 \end{array}] = [\begin{array}{c} - 3 & - 44 & - 9 \end{array}]$

Langkah 4

Simplify each element.

Ketuk untuk lebih banyak langkah...

Langkah 4.1

Tambahkan $11$ dan $14$ .

$[\begin{array}{c} 25 & - 31 + 13 & - 2 x + 1 - 2 \end{array}] = [\begin{array}{c} - 3 & - 44 & - 9 \end{array}]$

Langkah 4.2

Tambahkan $- 31$ dan $13$ .

$[\begin{array}{c} 25 & - 18 & - 2 x + 1 - 2 \end{array}] = [\begin{array}{c} - 3 & - 44 & - 9 \end{array}]$

Langkah 4.3

Kurangi $2$ dengan $1$ .

$[\begin{array}{c} 25 & - 18 & - 2 x - 1 \end{array}] = [\begin{array}{c} - 3 & - 44 & - 9 \end{array}]$

Langkah 5

Write as a linear system of equations.

$25 = - 3$

$- 18 = - 44$

$- 2 x - 1 = - 9$

Langkah 6

Since $- 18 \neq - 44$ , the matrix equation has no solution.

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