Algebra Examples

Evaluate $a - b$ if $a = 22$ and $b = 5$

Step 1

Replace the variable $a$ with $22$ in the expression.

$(22) - b$

Step 2

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

$(22) - (5)$

Step 3

Multiply $- 1$ by $5$ .

$22 - 5$

Step 4

Subtract $5$ from $22$ .

$17$