Abrief statement of the main idea and supporting details of a piece of writing.

Main Idea & Supporting Details. The main idea is the “big point” or the most important idea that the writer is communicating to the reader. Main ideas help readers remember important information.

Explanation:

Supporting Details. They come after the topic sentence, making up the body of a paragraph. They give details to develop and support the main idea of the paragraph. You should give supporting facts, details, and examples.

substitute y = 2x - 4 to x + 2y = 12:

x + 2(2x - 4) = 12     use distributive property

x + (2)(2x) + () = 12

x + 4x - 8 = 12     add 8 to both sides

5x = 20     divide both sides by 5

x = 4

put the value of x to the first equation:

y = 2(4) - 4

y = 8 - 4

y = 4

answer: i declare that all people should be free

explanation: