7-9=x-1

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Solution for 7-9=x-1 equation: 



7-9=x-1

We move all terms to the left:

7-9-(x-1)=0

We add all the numbers together, and all the variables

-(x-1)-2=0

We get rid of parentheses

-x+1-2=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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