12=7x+4-12x

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



12=7x+4-12x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

5x-4+12=0

We add all the numbers together, and all the variables

5x+8=0

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

5x=-8

x=-8/5

x=-1+3/5

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