Basic Math Examples

$| - 16 + (24 - 31) | + (- 21 - 42)$

Step 1

Remove parentheses.

$| - 16 + 24 - 31 | - 21 - 42$

Step 2

Simplify each term.

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Step 2.1

Add $- 16$ and $24$ .

$| 8 - 31 | - 21 - 42$

Step 2.2

Subtract $31$ from $8$ .

$| - 23 | - 21 - 42$

Step 2.3

The absolute value is the distance between a number and zero. The distance between $- 23$ and $0$ is $23$ .

$23 - 21 - 42$

Step 3

Simplify by subtracting numbers.

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Step 3.1

Subtract $21$ from $23$ .

$2 - 42$

Step 3.2

Subtract $42$ from $2$ .

$- 40$