3=x+(-1)

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Solution for 3=x+(-1) equation: 



3=x+(-1)

We move all terms to the left:

3-(x+(-1))=0



We calculate terms in parentheses: -(x+(-1)), so:

x+(-1)

We add all the numbers together, and all the variables

x-1

Back to the equation:

-(x-1)



We get rid of parentheses

-x+1+3=0

We add all the numbers together, and all the variables

-1x+4=0

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

-x=-4

x=-4/-1

x=+4

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