12+3x+5x=7x+4x

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Solution for 12+3x+5x=7x+4x equation: 



12+3x+5x=7x+4x

We move all terms to the left:

12+3x+5x-(7x+4x)=0

We add all the numbers together, and all the variables

3x+5x-(+11x)+12=0

We add all the numbers together, and all the variables

8x-(+11x)+12=0

We get rid of parentheses

8x-11x+12=0

We add all the numbers together, and all the variables

-3x+12=0

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

-3x=-12

x=-12/-3

x=+4

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