7x=4+12x

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Solution for 7x=4+12x equation: 



7x=4+12x

We move all terms to the left:

7x-(4+12x)=0

We add all the numbers together, and all the variables

7x-(12x+4)=0

We get rid of parentheses

7x-12x-4=0

We add all the numbers together, and all the variables

-5x-4=0

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

-5x=4

x=4/-5

x=-4/5

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