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-7k+6(-8-5k)=-307
We move all terms to the left:
-7k+6(-8-5k)-(-307)=0
We add all the numbers together, and all the variables
-7k+6(-5k-8)-(-307)=0
We add all the numbers together, and all the variables
-7k+6(-5k-8)+307=0
We multiply parentheses
-7k-30k-48+307=0
We add all the numbers together, and all the variables
-37k+259=0
We move all terms containing k to the left, all other terms to the right
-37k=-259
k=-259/-37
k=+7
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