Examples

$[\begin{array}{c} 1 & 0 & 1 \\ - 1 & 21 & 0 \end{array}] + [\begin{array}{c} 2 & 2 & - 2 \\ - 3 & 4 & 3 \end{array}]$

Step 1

Add the corresponding elements.

$[\begin{array}{c} 1 + 2 & 0 + 2 & 1 - 2 \\ - 1 - 3 & 21 + 4 & 0 + 3 \end{array}]$

Step 2

Simplify each element.

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Step 2.1

Add $1$ and $2$ .

$[\begin{array}{c} 3 & 0 + 2 & 1 - 2 \\ - 1 - 3 & 21 + 4 & 0 + 3 \end{array}]$

Step 2.2

Add $0$ and $2$ .

$[\begin{array}{c} 3 & 2 & 1 - 2 \\ - 1 - 3 & 21 + 4 & 0 + 3 \end{array}]$

Step 2.3

Subtract $2$ from $1$ .

$[\begin{array}{c} 3 & 2 & - 1 \\ - 1 - 3 & 21 + 4 & 0 + 3 \end{array}]$

Step 2.4

Subtract $3$ from $- 1$ .

$[\begin{array}{c} 3 & 2 & - 1 \\ - 4 & 21 + 4 & 0 + 3 \end{array}]$

Step 2.5

Add $21$ and $4$ .

$[\begin{array}{c} 3 & 2 & - 1 \\ - 4 & 25 & 0 + 3 \end{array}]$

Step 2.6

Add $0$ and $3$ .

$[\begin{array}{c} 3 & 2 & - 1 \\ - 4 & 25 & 3 \end{array}]$

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