Analyze the Student's Error in Simplifying Mathematical Expressions

What error did the student make in simplifying the mathematical expressions?

Did the student correctly solve each expression by multiplying by two?

Answer:

The student incorrectly simplified the given mathematical expressions.

The student's error occurred when simplifying the mathematical expressions. Instead of following the correct process, the student mistakenly simplified the expressions incorrectly. This led to an inaccurate outcome.

It is important to understand the proper methods for simplifying mathematical expressions to avoid errors in calculations. Let's explore the errors made by the student in detail.