-i+3=i+15

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Solution for -i+3=i+15 equation: 



-i+3=i+15

We move all terms to the left:

-i+3-(i+15)=0

We add all the numbers together, and all the variables

-1i-(i+15)+3=0

We get rid of parentheses

-1i-i-15+3=0

We add all the numbers together, and all the variables

-2i-12=0

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

-2i=12

i=12/-2

i=-6

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