Question

How do you solve `2- 2k = 10`?

Answer 1

`k=-4`
Refer to the explanation.

Explanation:

`2-2k=10`
`2k-2=-10`
(multiplying by `-` on both sides)
`2k=2-10`
`2k=-8`
`k=-8/2`
`k=-4`

Hope this helps :)