Question

Question #241c5

Answer 1

`k=-3`

Explanation:

`-4k+2(5k-6)=-3k-39`

`<=>-4k+10k-12=-3k-39`

`<=>6k-12=-3k-39`

`<=>9k-12=-39`

`<=>9k=-27`

`<=>k=-27/9`

`:.k=-3`