7(x-4)-8=20

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Solution for 7(x-4)-8=20 equation: 



7(x-4)-8=20

We move all terms to the left:

7(x-4)-8-(20)=0

We add all the numbers together, and all the variables

7(x-4)-28=0

We multiply parentheses

7x-28-28=0

We add all the numbers together, and all the variables

7x-56=0

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

7x=56

x=56/7

x=8

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