Answer:
1/2(n -10) = -4
Explanation:
Understanding the given sentence as a math sentence requires that you first understand it as an English sentence.
Parsing the English
The subject of the English sentence is "difference". We know that a difference in math is two values separated by a minus sign. Having understood that, we need to identify the two values involved.
The descriptor of "difference" in the English sentence is "of a number n and 10." This tells us the two values are "n" and "10". The first one listed goes on the left of the minus sign. So, the difference we're talking about is ...
(n -10)
The English sentence tells us that this difference is multiplied by 1/2. The math equivalent is shown as ...
When the English tells us the result of this operation, it means this value is equal to that result. We are told this value is equal to -4
Writing the equation
We now know the left- and right-sides of the equation being described in English. That means the equation described is ...
