7x-4(4x+7)=80

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Solution for 7x-4(4x+7)=80 equation: 



7x-4(4x+7)=80

We move all terms to the left:

7x-4(4x+7)-(80)=0

We multiply parentheses

7x-16x-28-80=0

We add all the numbers together, and all the variables

-9x-108=0

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

-9x=108

x=108/-9

x=-12

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