(-7-3i)+(-9-i)=

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Solution for (-7-3i)+(-9-i)= equation:


Simplifying
(-7 + -3i) + (-9 + -1i) = 0

Remove parenthesis around (-7 + -3i)
-7 + -3i + (-9 + -1i) = 0

Remove parenthesis around (-9 + -1i)
-7 + -3i + -9 + -1i = 0

Reorder the terms:
-7 + -9 + -3i + -1i = 0

Combine like terms: -7 + -9 = -16
-16 + -3i + -1i = 0

Combine like terms: -3i + -1i = -4i
-16 + -4i = 0

Solving
-16 + -4i = 0

Solving for variable 'i'.

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

Add '16' to each side of the equation.
-16 + 16 + -4i = 0 + 16

Combine like terms: -16 + 16 = 0
0 + -4i = 0 + 16
-4i = 0 + 16

Combine like terms: 0 + 16 = 16
-4i = 16

Divide each side by '-4'.
i = -4

Simplifying
i = -4

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