-7k+9-7(9-k)=9-7(k-9)-7

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Solution for -7k+9-7(9-k)=9-7(k-9)-7 equation: 



-7k+9-7(9-k)=9-7(k-9)-7

We move all terms to the left:

-7k+9-7(9-k)-(9-7(k-9)-7)=0

We add all the numbers together, and all the variables

-7k-7(-1k+9)-(9-7(k-9)-7)+9=0

We multiply parentheses

-7k+7k-(9-7(k-9)-7)-63+9=0



We calculate terms in parentheses: -(9-7(k-9)-7), so:

9-7(k-9)-7

determiningTheFunctionDomain
-7(k-9)+9-7

We add all the numbers together, and all the variables

-7(k-9)+2

We multiply parentheses

-7k+63+2

We add all the numbers together, and all the variables

-7k+65

Back to the equation:

-(-7k+65)



We add all the numbers together, and all the variables

-(-7k+65)-54=0

We get rid of parentheses

7k-65-54=0

We add all the numbers together, and all the variables

7k-119=0

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

7k=119

k=119/7

k=17

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