3(7-4x)=57

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Solution for 3(7-4x)=57 equation: 



3(7-4x)=57

We move all terms to the left:

3(7-4x)-(57)=0

We add all the numbers together, and all the variables

3(-4x+7)-57=0

We multiply parentheses

-12x+21-57=0

We add all the numbers together, and all the variables

-12x-36=0

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

-12x=36

x=36/-12

x=-3

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