Question

How do you solve `-570= - 10( 1+ 8k )`?

Answer 1

`k=7`

Explanation:

`-570=-10(1+8k)..........(1)`

So if we divide by -10 we will have

`57=1+8k`

`8k+1=57`

`8k=56`

`k=56/8`

`k=7`