(7+9i)+(7-8i)=

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Solution for (7+9i)+(7-8i)= equation:


Simplifying
(7 + 9i) + (7 + -8i) = 0

Remove parenthesis around (7 + 9i)
7 + 9i + (7 + -8i) = 0

Remove parenthesis around (7 + -8i)
7 + 9i + 7 + -8i = 0

Reorder the terms:
7 + 7 + 9i + -8i = 0

Combine like terms: 7 + 7 = 14
14 + 9i + -8i = 0

Combine like terms: 9i + -8i = 1i
14 + 1i = 0

Solving
14 + 1i = 0

Solving for variable 'i'.

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

Add '-14' to each side of the equation.
14 + -14 + 1i = 0 + -14

Combine like terms: 14 + -14 = 0
0 + 1i = 0 + -14
1i = 0 + -14

Combine like terms: 0 + -14 = -14
1i = -14

Divide each side by '1'.
i = -14

Simplifying
i = -14

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