K(-1)=k(-4-1)-2

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Solution for K(-1)=k(-4-1)-2 equation: 



(-1)=K(-4-1)-2

We move all terms to the left:

(-1)-(K(-4-1)-2)=0

We add all the numbers together, and all the variables

-(K(-5)-2)+(-1)=0

We add all the numbers together, and all the variables

-(K(-5)-2)-1=0



We calculate terms in parentheses: -(K(-5)-2), so:

K(-5)-2

We multiply parentheses

-5K-2

Back to the equation:

-(-5K-2)



We get rid of parentheses

5K+2-1=0

We add all the numbers together, and all the variables

5K+1=0

We move all terms containing K to the left, all other terms to the right

5K=-1

K=-1/5

K=-1/5

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