-3=-4+a

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Solution for -3=-4+a equation: 



-3=-4+a

We move all terms to the left:

-3-(-4+a)=0

We add all the numbers together, and all the variables

-(a-4)-3=0

We get rid of parentheses

-a+4-3=0

We add all the numbers together, and all the variables

-1a+1=0

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

-a=-1

a=-1/-1

a=1

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