# How do you solve 9+x<=21?

May 16, 2017

$x \le 12$

#### Explanation:

Solve for $x$:

Solve as you would for an equation.

$9 + x \le 21$

Subtract $9$ from both sides.

$x \le 21 - 9$

Simplify.

$x \le 12$

May 16, 2017

$x \le 12$

#### Explanation:

$9 + x \le 21$

Subtract $9$ from both sides: ($21 - 9 = 12$)

$x \le 12$