Carly and Rob combined their DVD collections. Now they have 42 DVDs in all. Carly had 4 more DVDs than Rob. How many DVDs did Carly have?

3 answers

C + C - 4 = 42

2C = 42 + 4

2C = 46

C = 46/2

C = ?
The answer is 19. I know, this math is crazy!!!!
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