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Jerimiah Mora
Mathematics
11 August, 15:06
What's |4n-15| = |n|
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Lily Chavez
11 August, 15:07
0
n = 3, 5.
Step-by-step explanation:
|4n-15| = |n|
Square both sides:
16n^2 - 120n + 225 = n^2
15n^2 - 120n + 225 = 0
Divide through by 15:
n^2 - 8n + 15 =
(n - 3) (n - 5) = 0
n = 3, 5.
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