Question

d. If you double a certain number and subtrack 7 you get the same answer as when you add 5 to the number, Determine the number​

Answer 1

12

Explanation:

Let n = the number.

2n - 7 = n + 5

n = 12

Let’s check if we got the right answer by substituting 12 for n into the original equation.

2*12 - 7 = 12 + 5

24 - 7 = 17

17 = 17