Question

10 less than 5 times a number is equal to 15.

05(2-n) = 15

5-10n = 15

10-5n = 15

5n-10 15

Answer 1

5n - 10 = 15.

Explanation:

If the number is n then 5 times it is 5n.

10 less than this is 5n - 10.

So, the equation is

5n - 10 = 15.