Question

How do you solve and graph `a - 7 > -13`?

Answer 1

`a - 7 > -13`

Add `color(blue)7` to both sides of the inequality:
`a - 7 quadcolor(blue)(+quad7) > -13 quadcolor(blue)(+quad7)`

`a > -6`

This is said as "`a` is greater than `-6`."

Here's a graph of it:

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