Question

When four times a number is added to 8 times the number, the result is 36. What is the number

Answer 1

4x + 8x = 36
12x = 36
X=?
Answer of the question

Answer 2

Let the number = X

4x + 8x = 36

Simplify:

12x = 36

Divide both sides by 12:

x = 3

The number is 3