Algebra Examples

Evaluate $\frac{j}{k} - 0.2 k$ when $j = 25$ and $k = 5$

Step 1

Replace the variable $j$ with $25$ in the expression.

$\frac{25}{k} - 0.2 k$

Step 2

Replace the variable $k$ with $5$ in the expression.

$\frac{25}{5} - 0.2 \cdot 5$

Step 3

Simplify each term.

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Step 3.1

Divide $25$ by $5$ .

$5 - 0.2 \cdot 5$

Step 3.2

Multiply $- 0.2$ by $5$ .

$5 - 1$

Step 4

Subtract $1$ from $5$ .

$4$