Question

What is the variable equation for 5 less than twice a number is 7?

5-2n = 7
5n - 2 = 7
2-5n = 7
2n - 5 = 7 which answer?

Answer 1

2n - 5 = 7

Explanation:

Let the number = n

Twice a number = 2n

5 less than twice a number = 2n - 5

2n - 5 = 7