Pre-Algebra Examples

5 m + 2 n

$5 m + 2 n$ ,

n - 3 m

$n - 3 m$ ; and

7 - 3 n

$7 - 3 n$

Step 1

Add the expressions.

5 m + 2 n + n - 3 + 7 - 3 n

$5 m + 2 n + n - 3 + 7 - 3 n$

Step 2

Add

2 n

$2 n$ and

n

$n$ .

5 m + 3 n - 3 + 7 - 3 n

$5 m + 3 n - 3 + 7 - 3 n$

Step 3

Combine the opposite terms in

5 m + 3 n - 3 + 7 - 3 n

$5 m + 3 n - 3 + 7 - 3 n$ .

Tap for more steps...

Step 3.1

Subtract

3 n

$3 n$ from

3 n

$3 n$ .

5 m + 0 - 3 + 7

$5 m + 0 - 3 + 7$

Step 3.2

Add

5 m

$5 m$ and

0

$0$ .

5 m - 3 + 7

$5 m - 3 + 7$

5 m - 3 + 7

$5 m - 3 + 7$

Step 4

Add

- 3

$- 3$ and

7

$7$ .

5 m + 4

$5 m + 4$

⎡ ⎢ ⎣ \begin{matrix} x^{2} & \frac{1}{2} \sqrt{π} & \int x d x \end{matrix} ⎤ ⎥ ⎦

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