Question

Can somebody please help 4=-0.8n

Answer 1

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

Answer 2

4 = -0.8n

To find n divide both sides by -0.8:

n = 4 / -0.8

n = -5