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

User Dfjacobs
by
4.6k points

1 Answer

3 votes

Answer:

n = 3

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 =
(-60)/(-20) = 3

User Tadas T
by
4.4k points