12=x+x-1+5

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Solution for 12=x+x-1+5 equation: 



12=x+x-1+5

We move all terms to the left:

12-(x+x-1+5)=0

We add all the numbers together, and all the variables

-(2x+4)+12=0

We get rid of parentheses

-2x-4+12=0

We add all the numbers together, and all the variables

-2x+8=0

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

-2x=-8

x=-8/-2

x=+4

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