7+3i+(-4i)=

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


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

Combine like terms: 3i + (-4i) = -1i
7 + -1i = 0

Solving
7 + -1i = 0

Solving for variable 'i'.

Move all terms containing i to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + -1i = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -1i = 0 + -7
-1i = 0 + -7

Combine like terms: 0 + -7 = -7
-1i = -7

Divide each side by '-1'.
i = 7

Simplifying
i = 7

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