7(9+k)=64

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Solution for 7(9+k)=64 equation: 



7(9+k)=64

We move all terms to the left:

7(9+k)-(64)=0

We add all the numbers together, and all the variables

7(k+9)-64=0

We multiply parentheses

7k+63-64=0

We add all the numbers together, and all the variables

7k-1=0

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

7k=1

k=1/7

k=1/7

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