For and points please explain thank you

k = -5

Step-by-step explanation:

-3(2k-6)-12

First use distributive property

-6k + 18 - 12

Add like terms

-6k + 30

Divide each side by -6

k = -5

1. credits

2. dual - aspect

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step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!