7k+8(-3+7k)=102

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Solution for 7k+8(-3+7k)=102 equation: 



7k+8(-3+7k)=102

We move all terms to the left:

7k+8(-3+7k)-(102)=0

We add all the numbers together, and all the variables

7k+8(7k-3)-102=0

We multiply parentheses

7k+56k-24-102=0

We add all the numbers together, and all the variables

63k-126=0

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

63k=126

k=126/63

k=2

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