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Two-thirds of a certain number increased by one-half of the number is 21.Find the number.Can you answer that?please.

Sagot :

n = 14
Solution:
n = [tex]2/3n + 1/2n = 21 [/tex]
So, reciprocate the fractions
[tex]n = 3/2n + 2/1n[/tex]
Just try and eroor