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ki77a [65]
3 years ago
15

What is the solution to 5n+12=9n-16

Mathematics
2 answers:
Rasek [7]3 years ago
8 0

Answer:

n = 7

Step-by-step explanation:

12 + 16 = 9n - 5n \\ 28 = 4n

BigorU [14]3 years ago
6 0

Answer:

n = 7

Step-by-step explanation:

5n + 12 = 9n - 16 (Given)

5n + 12 - 12 = 9n - 16 - 12 (Subtraction Property of Equality)

5n = 9n - 28 (Simplify)

5n - 9n = 9n - 9n - 28 (Subtraction Property of Equality)

-4n = -28 (Simplify)

\frac{-4n}{-4} = \frac{-28}{-4} (Division Property of Equality)

n = 7 (Simplify)

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