Pre-Algebra Examples

$\frac{2}{n} = \frac{5}{25}$

Step 1

Cancel the common factor of $5$ and $25$ .

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Step 1.1

Factor $5$ out of $5$ .

$\frac{2}{n} = \frac{5 (1)}{25}$

Step 1.2

Cancel the common factors.

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Step 1.2.1

Factor $5$ out of $25$ .

$\frac{2}{n} = \frac{5 \cdot 1}{5 \cdot 5}$

Step 1.2.2

Cancel the common factor.

$\frac{2}{n} = \frac{5 \cdot 1}{5 \cdot 5}$

Step 1.2.3

Rewrite the expression.

$\frac{2}{n} = \frac{1}{5}$

Step 2

Graph each side of the equation. The solution is the x-value of the point of intersection.

$n = 10$

Step 3