-4x-6(-7x+21)=-12

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Solution for -4x-6(-7x+21)=-12 equation: 



-4x-6(-7x+21)=-12

We move all terms to the left:

-4x-6(-7x+21)-(-12)=0

We add all the numbers together, and all the variables

-4x-6(-7x+21)+12=0

We multiply parentheses

-4x+42x-126+12=0

We add all the numbers together, and all the variables

38x-114=0

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

38x=114

x=114/38

x=3

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