How do you solve #8/n=3/(n-5)#?

Question

2288 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-01-18T19:43:37

#n = 8#

Given:

#8/n = 3/(n-5)#

Multiply both sides by #n(n-5)# to get:

#8(n-5) = 3n#

That is:

#8n-40 = 3n#

Add #40-3n# to both sides to get:

#5n = 40#

Divide both sides by #5# to find:

#n = 8#