inequality 3

$3x+3>9$

or, $3x+3-3>9-3$

or, $3x>6$

or, $\frac{3x}{3}>\frac{6}{3}$

or, $\boxed{x>2}$

3x + 3 > 9

3x > 9 - 3

3x > 6

x > 6/3

x > 2