Finite Math Examples

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

Step 1

Add the corresponding elements.

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

Step 2

Simplify each element.

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Step 2.1

Subtract $9$ from $- 9$ .

$[\begin{array}{c} - 18 & 4 + 1 \\ 7 + 8 & - 5 - 9 \end{array}]$

Step 2.2

Add $4$ and $1$ .

$[\begin{array}{c} - 18 & 5 \\ 7 + 8 & - 5 - 9 \end{array}]$

Step 2.3

Add $7$ and $8$ .

$[\begin{array}{c} - 18 & 5 \\ 15 & - 5 - 9 \end{array}]$

Step 2.4

Subtract $9$ from $- 5$ .

$[\begin{array}{c} - 18 & 5 \\ 15 & - 14 \end{array}]$