Question

How do you simplify `20- 5n = - 3( 2- 4n ) - 8`?

Answer 1

`n=2`

Explanation:

`20-5n=-3(2-4n)-8`
`20-5n=-3(2)-3(-4n)-8`
`20-5n=-6+12n-8`
`20-5n=-14+12n`
`20+14=12n+5n`
`34=17n`
`2=n`

Hence `n=2`