$76.50 - $8.50 = 9 weeks
i am a mathematics teacher. if anything to ask please pm me
Answer:
Step-by-step explanation:
I'm assuming you don't need to solve for x.
The distributive properties applies every time you want to multiply a whole parenthesis by a number.
As the name suggests, you "distribute" the number to all terms in the parenthesis: you perform as many multiplication as many terms in the parenthesis.
So, for example, we begin with
So, we multiply -6 times both terms in the parenthesis, and sum the results:
And so on with the other terms:
Now sum all the pieces together: