Pre-Algebra Examples

$10 x = 4$

Step 1

Divide each term in $10 x = 4$ by $10$ .

$\frac{10 x}{10} = \frac{4}{10}$

Step 2

Simplify the left side.

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Step 2.1

Cancel the common factor of $10$ .

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Step 2.1.1

Cancel the common factor.

$\frac{10 x}{10} = \frac{4}{10}$

Step 2.1.2

Divide $x$ by $1$ .

$x = \frac{4}{10}$

$x = \frac{4}{10}$

$x = \frac{4}{10}$

Step 3

Simplify the right side.

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Step 3.1

Cancel the common factor of $4$ and $10$ .

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Step 3.1.1

Factor $2$ out of $4$ .

$x = \frac{2 (2)}{10}$

Step 3.1.2

Cancel the common factors.

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Step 3.1.2.1

Factor $2$ out of $10$ .

$x = \frac{2 \cdot 2}{2 \cdot 5}$

Step 3.1.2.2

Cancel the common factor.

$x = \frac{2 \cdot 2}{2 \cdot 5}$

Step 3.1.2.3

Rewrite the expression.

$x = \frac{2}{5}$

$x = \frac{2}{5}$

$x = \frac{2}{5}$

$x = \frac{2}{5}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$x = \frac{2}{5}$

Decimal Form:

$x = 0.4$

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