4(7^x-1)=28

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Solution for 4(7^x-1)=28 equation: 



4(7^x-1)=28

We move all terms to the left:

4(7^x-1)-(28)=0

We multiply parentheses

28x-4-28=0

We add all the numbers together, and all the variables

28x-32=0

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

28x=32

x=32/28

x=1+1/7

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