12x-4+x=5x-4+7x

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Solution for 12x-4+x=5x-4+7x equation: 



12x-4+x=5x-4+7x

We move all terms to the left:

12x-4+x-(5x-4+7x)=0

We add all the numbers together, and all the variables

12x+x-(12x-4)-4=0

We add all the numbers together, and all the variables

13x-(12x-4)-4=0

We get rid of parentheses

13x-12x+4-4=0

We add all the numbers together, and all the variables

x=0

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