Respuesta :

cad311
20 + x = 28
if u wanna solve it, then:
28 - 20 = 8
x = 8

Answer:

20 + x = 28

Step-by-step explanation:

let x = the # of dvds bought

28 is the total

20 is what he started of with so...

20 + x = 28

and x = 8

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