3x=-126*4/4

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Solution for 3x=-126*4/4 equation: 



3x=-126*4/4

We move all terms to the left:

3x-(-126*4/4)=0

We get rid of parentheses

3x+126*4/4=0

We multiply all the terms by the denominator


3x*4+126*4=0

We add all the numbers together, and all the variables

3x*4+504=0

Wy multiply elements

12x+504=0

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

12x=-504

x=-504/12

x=-42

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