Finite Math Examples

$[\begin{array}{c} 4 & 5 & - 6 \\ 5 & - 8 & 3 \end{array}] + [\begin{array}{c} 6 & 0 & - 2 \\ 1 & 4 & 4 \end{array}] - [\begin{array}{c} 1 & 9 & 3 \\ - 12 & 5 & 4 \end{array}]$

Step 1

Add the corresponding elements.

$[\begin{array}{c} 4 + 6 & 5 + 0 & - 6 - 2 \\ 5 + 1 & - 8 + 4 & 3 + 4 \end{array}] - [\begin{array}{c} 1 & 9 & 3 \\ - 12 & 5 & 4 \end{array}]$

Step 2

Simplify each element.

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Step 2.1

Add $4$ and $6$ .

$[\begin{array}{c} 10 & 5 + 0 & - 6 - 2 \\ 5 + 1 & - 8 + 4 & 3 + 4 \end{array}] - [\begin{array}{c} 1 & 9 & 3 \\ - 12 & 5 & 4 \end{array}]$

Step 2.2

Add $5$ and $0$ .

$[\begin{array}{c} 10 & 5 & - 6 - 2 \\ 5 + 1 & - 8 + 4 & 3 + 4 \end{array}] - [\begin{array}{c} 1 & 9 & 3 \\ - 12 & 5 & 4 \end{array}]$

Step 2.3

Subtract $2$ from $- 6$ .

$[\begin{array}{c} 10 & 5 & - 8 \\ 5 + 1 & - 8 + 4 & 3 + 4 \end{array}] - [\begin{array}{c} 1 & 9 & 3 \\ - 12 & 5 & 4 \end{array}]$

Step 2.4

Add $5$ and $1$ .

$[\begin{array}{c} 10 & 5 & - 8 \\ 6 & - 8 + 4 & 3 + 4 \end{array}] - [\begin{array}{c} 1 & 9 & 3 \\ - 12 & 5 & 4 \end{array}]$

Step 2.5

Add $- 8$ and $4$ .

$[\begin{array}{c} 10 & 5 & - 8 \\ 6 & - 4 & 3 + 4 \end{array}] - [\begin{array}{c} 1 & 9 & 3 \\ - 12 & 5 & 4 \end{array}]$

Step 2.6

Add $3$ and $4$ .

$[\begin{array}{c} 10 & 5 & - 8 \\ 6 & - 4 & 7 \end{array}] - [\begin{array}{c} 1 & 9 & 3 \\ - 12 & 5 & 4 \end{array}]$

Step 3

Subtract the corresponding elements.

$[\begin{array}{c} 10 - 1 & 5 - 9 & - 8 - 3 \\ 6 + 12 & - 4 - 5 & 7 - 4 \end{array}]$

Step 4

Simplify each element.

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Step 4.1

Subtract $1$ from $10$ .

$[\begin{array}{c} 9 & 5 - 9 & - 8 - 3 \\ 6 + 12 & - 4 - 5 & 7 - 4 \end{array}]$

Step 4.2

Subtract $9$ from $5$ .

$[\begin{array}{c} 9 & - 4 & - 8 - 3 \\ 6 + 12 & - 4 - 5 & 7 - 4 \end{array}]$

Step 4.3

Subtract $3$ from $- 8$ .

$[\begin{array}{c} 9 & - 4 & - 11 \\ 6 + 12 & - 4 - 5 & 7 - 4 \end{array}]$

Step 4.4

Add $6$ and $12$ .

$[\begin{array}{c} 9 & - 4 & - 11 \\ 18 & - 4 - 5 & 7 - 4 \end{array}]$

Step 4.5

Subtract $5$ from $- 4$ .

$[\begin{array}{c} 9 & - 4 & - 11 \\ 18 & - 9 & 7 - 4 \end{array}]$

Step 4.6

Subtract $4$ from $7$ .

$[\begin{array}{c} 9 & - 4 & - 11 \\ 18 & - 9 & 3 \end{array}]$