Answer:
the denominator would be 1
Step-by-step explanation:
because 5 and 5/1 are equivalent
Answer: x = 5
explanation:
divide both sides by 5 to get x = 5
Answer:
The answer is A. 10b = c
Step-by-step explanation:
Well if it's $10 per book and the total cost is C. Then you would multiply the amount of books with the cost per book and have it equal the the total C.
1. Given (12+3)x, we can sum the numbers in the parenthesis to get 15x
2. Given 12x+3x, we can factor x to get (12+3)x and get the same as 1.
3. Given (12+3x)x, we have to distribute the x and we have 
4. This expression is already simplified.
Answer:
B, D
Step-by-step explanation:
Sorry if I'm wrong. I dont know if E is right or not