7x+4x-4=12x+3

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Solution for 7x+4x-4=12x+3 equation: 



7x+4x-4=12x+3

We move all terms to the left:

7x+4x-4-(12x+3)=0

We add all the numbers together, and all the variables

11x-(12x+3)-4=0

We get rid of parentheses

11x-12x-3-4=0

We add all the numbers together, and all the variables

-1x-7=0

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

-x=7

x=7/-1

x=-7

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