2(7^x-1)+4=102

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Solution for 2(7^x-1)+4=102 equation: 



2(7^x-1)+4=102

We move all terms to the left:

2(7^x-1)+4-(102)=0

We add all the numbers together, and all the variables

2(7^x-1)-98=0

We multiply parentheses

14x-2-98=0

We add all the numbers together, and all the variables

14x-100=0

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

14x=100

x=100/14

x=7+1/7

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