Question

3(-0.4n-0.7)=-3.2n-2.58

Answer 1

`n=-0.24`

Explanation:

`3\left(-0.4n-0.7\right)=-3.2n-2.58`

Use distributive property.

`-1.2n-2.1=-3.2n-2.58`

`-1.2n-2.1+2.1=-3.2n-2.58+2.1`

`-1.2n=-3.2n-0.48`

`-1.2n+3.2n=-3.2n-0.48+3.2n`

`2n=-0.48`

`(2n)/(2)=(-0.48)/(2)`

`n=-0.24`