-12(i-12)=-9(1+7i)

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Solution for -12(i-12)=-9(1+7i) equation: 



-12(i-12)=-9(1+7i)

We move all terms to the left:

-12(i-12)-(-9(1+7i))=0

We add all the numbers together, and all the variables

-12(i-12)-(-9(7i+1))=0

We multiply parentheses

-12i-(-9(7i+1))+144=0



We calculate terms in parentheses: -(-9(7i+1)), so:

-9(7i+1)

We multiply parentheses

-63i-9

Back to the equation:

-(-63i-9)



We get rid of parentheses

-12i+63i+9+144=0

We add all the numbers together, and all the variables

51i+153=0

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

51i=-153

i=-153/51

i=-3

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