Two times a number less 4 is 20.

Answer 1

Let x be the number.

2x-4 = 20

Solve for x.

The purpose of this exercise is to familiarize you with the vocabulary of "times" meaning multiplication and "less" meaning subtraction and "is" means equal to.

If you need to see how to solve for x, let me know.

Answer 2

Solution:

Let the number be x, so 2(x) - 4 = 20, 2x-4 =20, add 4 to both sides 2x-4+4 = 20+4, 2x= 24 now divide both sides by 2 , 2x/2 = 24/2, x = 12