D is your answer if you times 8 and 2 together to get your A& B
The Distributive Property. You are distributing a to x + y.
Hope this helps!
If the sum of two numbers is x
Then the equation is like this:
a+b = x
Then it says one of the number is 12. Change either a or b into 12
12 + b =x
If we want to find the other number, we need the make it into the subject
b = x - 12
Hope that help.
10x and 2x is the answer to your question then do the equation
