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Can somebody please help 4=-0.8n

2 Answers

6 votes

n = - 5

consider the rational form of - 0.8 = -
(8)/(10) = -
(4)/(5)

Then 4 = -
(4n)/(5)

multiply both sides by 5

20 = - 4n

divide both sides by - 4

n = -
(20)/(4) = - 5

User Aleksei Zyrianov
by
8.3k points
1 vote

4 = -0.8n

To find n divide both sides by -0.8:

n = 4 / -0.8

n = -5

User Eli Collins
by
8.1k points

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