Algebra Examples

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

Step 1

Replace the variable $x$ with $2$ in the expression.

$(2) + y$

Step 2

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

$2 + 5$

Step 3

Remove parentheses.

$2 + 5$

Step 4

Add $2$ and $5$ .

$7$