3. Shenker has 45 CDs.

He gives 10 CDs to his brother.

a) Write an equation you can solve to find how many CDs

Shenker has left.

b) Solve the equation.

45 (initial amount) - 10 (given to brother) = x (number of cd's left)

Equation:

45 - 10 = x

Answer:

35 CDs

Answer: The equation is 45-10=x the answer is 35

Step-by-step explanation: To make the equation you need to have and = sign so, we can do what he has (45) and subtract what he gives away (10) which would equal what he has left (x)