Basic Math Examples

$4 n - 40 = 7 (- 2 + 2)$

Step 1

Simplify $7 (- 2 + 2)$ .

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Step 1.1

Rewrite.

$4 n - 40 = 0 + 0 + 7 (- 2 + 2)$

Step 1.2

Simplify by adding zeros.

$4 n - 40 = 7 (- 2 + 2)$

Step 1.3

Add $- 2$ and $2$ .

$4 n - 40 = 7 \cdot 0$

Step 1.4

Multiply $7$ by $0$ .

$4 n - 40 = 0$

$4 n - 40 = 0$

Step 2

Add $40$ to both sides of the equation.

$4 n = 40$

Step 3

Divide each term in $4 n = 40$ by $4$ and simplify.

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Step 3.1

Divide each term in $4 n = 40$ by $4$ .

$\frac{4 n}{4} = \frac{40}{4}$

Step 3.2

Simplify the left side.

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Step 3.2.1

Cancel the common factor of $4$ .

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Step 3.2.1.1

Cancel the common factor.

$\frac{4 n}{4} = \frac{40}{4}$

Step 3.2.1.2

Divide $n$ by $1$ .

$n = \frac{40}{4}$

$n = \frac{40}{4}$

$n = \frac{40}{4}$

Step 3.3

Simplify the right side.

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Step 3.3.1

Divide $40$ by $4$ .

$n = 10$

$n = 10$

$n = 10$

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