Question

How do you solve `n-19<=-28`?

Answer 1

See a solution process below:

Explanation:

Add `color(red)(19)` to each side of the inequality to solve for `n` while keeping the inequality balanced:

`n - 19 + color(red)(19) <= -28 + color(red)(19)`

`n - 0 <= -9`

`n <= -9`