Question

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A bag contains red and black balls, if 5 black balls are added and 7 red balls are removed
from the bag, the number of red balls and black balls will be equal. If 3 red balls are removed,
the number of red balls will be 1 more than double the number of black balls. How many
balls of each type are there?​

Answer 1

Answer:

Step-by-step explanation:

black = 10

re = 12