Basic Math Examples

$| 7 - (- 8) + 12 | + | 16 - 4 |$

Step 1

Simplify each term.

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Step 1.1

Multiply $- 1$ by $- 8$ .

$| 7 + 8 + 12 | + | 16 - 4 |$

Step 1.2

Add $7$ and $8$ .

$| 15 + 12 | + | 16 - 4 |$

Step 1.3

Add $15$ and $12$ .

$| 27 | + | 16 - 4 |$

Step 1.4

The absolute value is the distance between a number and zero. The distance between $0$ and $27$ is $27$ .

$27 + | 16 - 4 |$

Step 1.5

Subtract $4$ from $16$ .

$27 + | 12 |$

Step 1.6

The absolute value is the distance between a number and zero. The distance between $0$ and $12$ is $12$ .

$27 + 12$

Step 2

Add $27$ and $12$ .

$39$