Pre-Algebra Examples

$- 2 x - 4 (3 z - 3 x) + 5 z$

Step 1

Simplify each term.

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Step 1.1

Apply the distributive property.

$- 2 x - 4 (3 z) - 4 (- 3 x) + 5 z$

Step 1.2

Multiply $3$ by $- 4$ .

$- 2 x - 12 z - 4 (- 3 x) + 5 z$

Step 1.3

Multiply $- 3$ by $- 4$ .

$- 2 x - 12 z + 12 x + 5 z$

$- 2 x - 12 z + 12 x + 5 z$

Step 2

Simplify by adding terms.

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Step 2.1

Add $- 2 x$ and $12 x$ .

$10 x - 12 z + 5 z$

Step 2.2

Add $- 12 z$ and $5 z$ .

$10 x - 7 z$

$10 x - 7 z$

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