Answer:
k = 0
Step-by-step explanation:
-2k = 8k + 7k
Add similar elements:
-2k = 15k
Subtract 15k from both sides:
-2k - 15k = 15k - 15k
Simplify:
-17k = 0
Divide both sides by -17:
17k/-17 = 0/-17
k = 0
I wasn't sure if you wanted me to solve for k or combine the like terms.