Question

eight times a number,decreased by 10 is equal to four times that same number, decreasing by 2. What is the number?

Answer 1

2

Explanation:

Let’s write this as an equation.

(8*x)-10=4x-2

Now let us solve this:

1. 8x-10=4x-2

2.4x=8

3. x=2

Answer 2

see below

Explanation:

8x-10=4x-2

subtract four

4x-10=2

add ten

4x=12

divide by four

x=3