-3(4x+5)+12=-171

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Solution for -3(4x+5)+12=-171 equation: 



-3(4x+5)+12=-171

We move all terms to the left:

-3(4x+5)+12-(-171)=0

We add all the numbers together, and all the variables

-3(4x+5)+183=0

We multiply parentheses

-12x-15+183=0

We add all the numbers together, and all the variables

-12x+168=0

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

-12x=-168

x=-168/-12

x=+14

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