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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