(-7+9i)+(2-10i)=

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Solution for (-7+9i)+(2-10i)= equation:


Simplifying
(-7 + 9i) + (2 + -10i) = 0

Remove parenthesis around (-7 + 9i)
-7 + 9i + (2 + -10i) = 0

Remove parenthesis around (2 + -10i)
-7 + 9i + 2 + -10i = 0

Reorder the terms:
-7 + 2 + 9i + -10i = 0

Combine like terms: -7 + 2 = -5
-5 + 9i + -10i = 0

Combine like terms: 9i + -10i = -1i
-5 + -1i = 0

Solving
-5 + -1i = 0

Solving for variable 'i'.

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

Add '5' to each side of the equation.
-5 + 5 + -1i = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -1i = 0 + 5
-1i = 0 + 5

Combine like terms: 0 + 5 = 5
-1i = 5

Divide each side by '-1'.
i = -5

Simplifying
i = -5

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