Question

How do you solve and write the following in interval notation: `|3x+4|≥2`?

Answer 1

`x in [-2, -2/3]`.

Explanation:

The inequality is the combined inequality for the pair

`+-(3x+4)>=2`

Separately, these simplify to

`x>=-2/3 and x<=-2`.Combining both

.`x in [-2, -2/3]`