-4=-7+i

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Solution for -4=-7+i equation: 



-4=-7+i

We move all terms to the left:

-4-(-7+i)=0

We add all the numbers together, and all the variables

-(i-7)-4=0

We get rid of parentheses

-i+7-4=0

We add all the numbers together, and all the variables

-1i+3=0

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

-i=-3

i=-3/-1

i=+3

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