Question

Three times a number added to 4, is 7. Find the number.

Answer 1

4 + 3 n 5

--------- = --------- solved in n=27

7+n 2

Explanation:

First, let the number we are looking for be represented by n .

"three times a number" can then be written as 3 n .

3 n "added to 4" can this be written as 4 + 3 n

"the number plus 7" can be written as n + 7

Answer 2

1

Step-by-step explanation: 1x3=3+4=7