# How do you solve the inequality -4 + 9 ≤ w - 21?

Dec 30, 2015

$w \ge 26$

#### Explanation:

$- 4 + 9 \le w - 21$

Add $21$ to both sides.

$21 - 4 + 9 \le w$

Simplify.

$26 \le w$

Switch sides.

$w \ge 26$