Pre-Algebra Examples

$- 12 z + 4 (z - 9) + 30 + z$

Step 1

Simplify each term.

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Step 1.1

Apply the distributive property.

$- 12 z + 4 z + 4 \cdot - 9 + 30 + z$

Step 1.2

Multiply $4$ by $- 9$ .

$- 12 z + 4 z - 36 + 30 + z$

$- 12 z + 4 z - 36 + 30 + z$

Step 2

Simplify by adding terms.

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Step 2.1

Add $- 12 z$ and $4 z$ .

$- 8 z - 36 + 30 + z$

Step 2.2

Add $- 8 z$ and $z$ .

$- 7 z - 36 + 30$

Step 2.3

Add $- 36$ and $30$ .

$- 7 z - 6$

$- 7 z - 6$

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