4x-4(7-5x)=20x

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Solution for 4x-4(7-5x)=20x equation:



4x-4(7-5x)=20x
We move all terms to the left:
4x-4(7-5x)-(20x)=0
We add all the numbers together, and all the variables
4x-4(-5x+7)-20x=0
We add all the numbers together, and all the variables
-16x-4(-5x+7)=0
We multiply parentheses
-16x+20x-28=0
We add all the numbers together, and all the variables
4x-28=0
We move all terms containing x to the left, all other terms to the right
4x=28
x=28/4
x=7

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