3-(-7+4i)-(-2-I)=

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Solution for 3-(-7+4i)-(-2-I)= equation:


3-(-7+4i)-(-2- i)=0

We simplify the equation to the form, which is simple to understand 
3-(-7+4i)-(-2-i)=0

Remove unnecessary parentheses
3+7-4i-(-2-i)=0

Remove unnecessary parentheses
3+7-4i+2+1i=0

We move all terms containing i to the left and all other terms to the right. 
-4i+1i=0-3-7-2

We simplify left and right side of the equation. 
-3i=-12

We divide both sides of the equation by -3 to get i. 
i=4

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