3(x+4)+4(-4x-5)=57

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Solution for 3(x+4)+4(-4x-5)=57 equation: 



3(x+4)+4(-4x-5)=57

We move all terms to the left:

3(x+4)+4(-4x-5)-(57)=0

We multiply parentheses

3x-16x+12-20-57=0

We add all the numbers together, and all the variables

-13x-65=0

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

-13x=65

x=65/-13

x=-5

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