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Harrizon [31]
3 years ago
13

5 + 8n = 7(-7 + 4n) -6

Mathematics
1 answer:
Luba_88 [7]3 years ago
6 0

Answer:

n = 3

Step-by-step explanation:

Given

5 + 8n = 7(- 7 + 4n) - 6 ← distribute parenthesis on right side

5 + 8n = - 49 + 28n - 6 ( subtract 28n from both sides )

5 - 20n = - 55 ( subtract 5 from both sides )

- 20n = - 60 ( divide both sides by - 20 )

n = \frac{-60}{-20} = 3

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