Question

The total cost of 3 DVDs and 2 CDs is €54.

Write an equation in x to represent this information.
Solve your equation to find the cost of a DVD. The CD is 3 euro less

What is the Equation? How your workings​

Answer 1

1 DVD = x

1 CD = x - 3

3(x) + 2(x - 3) = 54

3x + 2x - 6 = 54

5x - 6 = 54

5x = 60

x = 12

1 DVD = x = €12

Hope this helps! :)