3 years ago

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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