Algebra Examples

Evaluate the expression $2 x y$ when $x = 5$ and $y = 4$

Step 1

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

$2 (5) \cdot y$

Step 2

Replace the variable $y$ with $4$ in the expression.

$2 (5) \cdot (4)$

Step 3

Multiply $2 (5) (4)$ .

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Step 3.1

Multiply $2$ by $5$ .

$10 \cdot 4$

Step 3.2

Multiply $10$ by $4$ .

$40$