How do you solve 2x-9>9?

1 Answer
May 9, 2015

Operations you can perform on both sides of an inequality without effecting the orientation of the inequality:
1. Add or Subtract any value
2. Multiply or Divide by any value $> 0$

$2 x - 9 > 9$

Add $9$ to both sides:
$2 x > 18$

Divide both sides by 2:
$x > 9$