12+-7+x=2x+-1

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Solution for 12+-7+x=2x+-1 equation: 



12+-7+x=2x+-1

We move all terms to the left:

12+-7+x-(2x+-1)=0

We add all the numbers together, and all the variables

x-(2x-1)+12-7+=0

We add all the numbers together, and all the variables

x-(2x-1)=0

We get rid of parentheses

x-2x+1=0

We add all the numbers together, and all the variables

-1x+1=0

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

-x=-1

x=-1/-1

x=1

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