Question

How do you solve `4\leq x - 3\leq 6`?

Answer 1

`7 leq x leq 9`

Explanation:

We have: `4 leq x - 3 leq 6`

Let's add `3` throughout the inequality:

`Rightarrow 4 + 3 leq x - 3 + 3 leq 6 + 3`

`therefore 7 leq x leq 9`