Which equation represents the sentence?
The sum of 12 and a number is 4 times the number.
12 + 4n = n
12 + n = 4n
12n = 4 + n
12(n + 4) = n
The sum of 12 and a number is 4 times the number.
12 + 4n = n
12 + n = 4n
12n = 4 + n
12(n + 4) = n