1+2=x-4

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Solution for 1+2=x-4 equation: 



1+2=x-4

We move all terms to the left:

1+2-(x-4)=0

We add all the numbers together, and all the variables

-(x-4)+3=0

We get rid of parentheses

-x+4+3=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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