Question

solve the following inequality for d. write your answer in simplest form. d + 9 > 2d - 2

Explanation:

Step1: Subtract d from both sides

$d + 9 - d > 2d - 2 - d$
$9 > d - 2$

Step2: Add 2 to both sides

$9 + 2 > d - 2 + 2$
$11 > d$
Which is equivalent to $d < 11$

Answer:

$d < 11$