Answer: 130
Step-by-step explanation:
Let x be the original number of hip- hop CDs in the music store.
Given : A music store has sold 3/5 of their hip-hop CDs, but 10 were returned.
i.e. The number of hip- hop CDs in the store will be :
Original No. of CDs - CDs sold + CDs Returned

If the store has 62 Hip-Hop CDs now , then required euation will be :-

Subtract 10 from both sides , we get




Hence, the number of CDs they originally have = 130
Answer:
what do I need to do to answer
Step-by-step explanation:
Answer:

Step-by-step explanation:

Given that:

To evaluate the expression, we must simply substitute the given value of
, which is
, for
:

Multiply:

Subtract:

-
To check your work, simply set the given expression equal to our solution,
:

Add
to both sides of the equation:

Divide both sides of the equation by the coefficient of
, which is
:

Since it matches the given value of
, our solution is correct!
Answer:
Step-by-step explanation:
1. 7x + 4
2. 3x - 2