(9+3i)-(8+i)=

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Solution for (9+3i)-(8+i)= equation:


Simplifying
(9 + 3i) + -1(8 + i) = 0

Remove parenthesis around (9 + 3i)
9 + 3i + -1(8 + i) = 0
9 + 3i + (8 * -1 + i * -1) = 0
9 + 3i + (-8 + -1i) = 0

Reorder the terms:
9 + -8 + 3i + -1i = 0

Combine like terms: 9 + -8 = 1
1 + 3i + -1i = 0

Combine like terms: 3i + -1i = 2i
1 + 2i = 0

Solving
1 + 2i = 0

Solving for variable 'i'.

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

Add '-1' to each side of the equation.
1 + -1 + 2i = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 2i = 0 + -1
2i = 0 + -1

Combine like terms: 0 + -1 = -1
2i = -1

Divide each side by '2'.
i = -0.5

Simplifying
i = -0.5

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