Question

How do you solve `|-6t+3|+9 \ge 18`?

Answer 1

`t<=-1` OR `t>=2`

Explanation:

`|-6t+3|>=9` subtract 9 from both sides
`-6t+3>=9` OR `6t-3>=9` separate into two equations
`-6t>=6` OR `6t>=12`
`t<=-1` OR `t>=2`