Algebra Examples

$- 2 (9 - (x + 7))$

Step 1

Simplify each term.

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Step 1.1

Apply the distributive property.

$- 2 (9 - x - 1 \cdot 7)$

Step 1.2

Multiply $- 1$ by $7$ .

$- 2 (9 - x - 7)$

$- 2 (9 - x - 7)$

Step 2

Simplify by multiplying through.

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Step 2.1

Subtract $7$ from $9$ .

$- 2 (- x + 2)$

Step 2.2

Apply the distributive property.

$- 2 (- x) - 2 \cdot 2$

Step 2.3

Multiply.

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Step 2.3.1

Multiply $- 1$ by $- 2$ .

$2 x - 2 \cdot 2$

Step 2.3.2

Multiply $- 2$ by $2$ .

$2 x - 4$

$2 x - 4$

$2 x - 4$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$