Answer:
20
Explanation:
Let x represent the number of movies bought/downloaded
3x + 10 = 2x +30
Subtract 2x and 10 from both sides
x = 20
3x + 10 = 2x + 30
Let the number of movies downloaded = x
Movie time:
3x + 10
Movie city:
2x +30
3x -2x = 30 - 10
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