Algebra Examples

$(2 n + 5) - (3 n + 7) + (4 n - 9)$

Step 1

Remove parentheses.

$(2 n + 5) - (3 n + 7) + 4 n - 9$

Step 2

Simplify each term.

Tap for more steps...

Step 2.1

Apply the distributive property.

$2 n + 5 - (3 n) - 1 \cdot 7 + 4 n - 9$

Step 2.2

Multiply $3$ by $- 1$ .

$2 n + 5 - 3 n - 1 \cdot 7 + 4 n - 9$

Step 2.3

Multiply $- 1$ by $7$ .

$2 n + 5 - 3 n - 7 + 4 n - 9$

$2 n + 5 - 3 n - 7 + 4 n - 9$

Step 3

Simplify by adding terms.

Tap for more steps...

Step 3.1

Subtract $3 n$ from $2 n$ .

$- n + 5 - 7 + 4 n - 9$

Step 3.2

Add $- n$ and $4 n$ .

$3 n + 5 - 7 - 9$

Step 3.3

Simplify by subtracting numbers.

Tap for more steps...

Step 3.3.1

Subtract $7$ from $5$ .

$3 n - 2 - 9$

Step 3.3.2

Subtract $9$ from $- 2$ .

$3 n - 11$

$3 n - 11$

$3 n - 11$

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