Question

After 4 new students joined a class, the class had 32 students.

Which equation can be used to find x, the number of students in the class before the students joined?
A. x/4 = 32
B. x - 4 = 32
C. 4x = 32
D. x + 4 = 32

Answer 1

D
Explain: if 4 new students joined, that’ll add up to the original number which is x.
So the equation will be x + 4 = 32