After 4 new students joined a class, the class had 32 students. Which equation can be used to find n, the number in the class before the 4 new students joined?

Question

Mathematics

Elena Lewis

8 August, 02:48

After 4 new students joined a class, the class had 32 students. Which equation can be used to find n, the number in the class before the 4 new students joined?

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Answers (1)

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Weston · Answer 1

n+4=32

Step-by-step explanation:

The initial number n gets additional 4 students making the new total number of students to be 32. Therefore, this situation can be represented as

n+4=32

To get the actual number of students before the additio, we make n the subject of formula hence

n=32-4

n=28

Therefore, the initial number was 28 and the equation is n+4=32

Since no choices were provided, the equation that can be modified is n+4=32