# How do you solve 4x-15<=21 and graph the solution on a number line?

Sep 15, 2016

$x \le 9$

#### Explanation:

$4 x - 15 \le 21$
$4 x \le 21 + 15$
$4 x \le 36$
$x \le 9$
Answer by half closed interval: (-infinity, 9].
The end point (9) is included in the solution set.
Graph:

=============== 0 =========== 9 ---------------------------