7(1+7k)=2k-40

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Solution for 7(1+7k)=2k-40 equation: 



7(1+7k)=2k-40

We move all terms to the left:

7(1+7k)-(2k-40)=0

We add all the numbers together, and all the variables

7(7k+1)-(2k-40)=0

We multiply parentheses

49k-(2k-40)+7=0

We get rid of parentheses

49k-2k+40+7=0

We add all the numbers together, and all the variables

47k+47=0

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

47k=-47

k=-47/47

k=-1

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