-21-6i=-7(3i-8)-2

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Solution for -21-6i=-7(3i-8)-2 equation: 



-21-6i=-7(3i-8)-2

We move all terms to the left:

-21-6i-(-7(3i-8)-2)=0



We calculate terms in parentheses: -(-7(3i-8)-2), so:

-7(3i-8)-2

We multiply parentheses

-21i+56-2

We add all the numbers together, and all the variables

-21i+54

Back to the equation:

-(-21i+54)



We get rid of parentheses

-6i+21i-54-21=0

We add all the numbers together, and all the variables

15i-75=0

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

15i=75

i=75/15

i=5

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