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

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Solution for (7+9i)-(-8+i)=0 equation:


Simplifying
(7 + 9i) + -1(-8 + i) = 0

Remove parenthesis around (7 + 9i)
7 + 9i + -1(-8 + i) = 0
7 + 9i + (-8 * -1 + i * -1) = 0
7 + 9i + (8 + -1i) = 0

Reorder the terms:
7 + 8 + 9i + -1i = 0

Combine like terms: 7 + 8 = 15
15 + 9i + -1i = 0

Combine like terms: 9i + -1i = 8i
15 + 8i = 0

Solving
15 + 8i = 0

Solving for variable 'i'.

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

Add '-15' to each side of the equation.
15 + -15 + 8i = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 8i = 0 + -15
8i = 0 + -15

Combine like terms: 0 + -15 = -15
8i = -15

Divide each side by '8'.
i = -1.875

Simplifying
i = -1.875

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