What is the purpose of central ideas in a text?(1 point) to give additional information about the topic to define the topic to provide an overview of the ideas in the text to explain the most important ideas in the text

Step-by-step explanation:

The purpose of the central idea is to explain the central/most important ideas in the theme. Central idea provides the explanation of the most important i.e. central ideas of the text. So, the central idea provides the explanation of central ideas of the text as the name indicates.

what?

step-by-step explanation:

-2

7 - 9 = -2

reversed:

-2 + 9 = 7