Question

7. Seven times a number is equal to 12 more than 3 times the number.

Answer 1

7n = 12+ 3n

Explanation:

The first thing to do is subtract 3n from 7n. This would get you 4n = 12. 4 times 3 equals 12, so n equals 3.

To check your answer. 21 = 12+9. sure enough it matches our answer