n + 7 = 21
n = ?
I am thinking of a number. It is increased by 7. The sum is 21. What is my number?
A. n = 28
B. n = 14
C. n = 7
D. n = 147
2 answers
N=14 🤪👍
A. n = 28
B. n = 14
C. n = 7
D. n = 147
2 answers