Determine Whether the Given Solution Is Correct

question 21

Multiple Choice

Determine whether the given solution is correct. If it is not, find the solution.
-0.8x - 0.4(20 + x) = 0.40(20)

• A)x = 30
• B)x = 20
• C)x = 50
• D)x = 40

---

Definitions:

Less Artificial

A term that might refer to something being more natural or genuine, lacking artificial enhancements or modifications.

Inferential Statistic

A branch of statistics that allows for making predictions or inferences about a population based on a sample.

Tests Of Significance

Statistical tests used to determine whether the results of a study are likely to be due to chance or represent genuine effects.

Arithmetic Mean

The sum of a set of numbers divided by the count of numbers in the set, commonly known as the average.