Question

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

see below
Step-by-step explanation:
8x-10=4x-2
subtract four
4x-10=2
4x=12
divide by four
x=3

2. diemthu
2
Step-by-step 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