Question

How do you solve `21- 9x \geq - 6`?

Answer 1

`x <= 3`

Explanation:

`=> -9x <= -6-21` (move the 21 to the other side and do not forget to put it negative !)

`=> -9x <= -27`

`=> (-9x)/(-9) <= (-27)/(-9)`

`=> x <= 3`