(9+8i)-(5+4i)=x

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Solution for (9+8i)-(5+4i)=x equation:


Simplifying
(9 + 8i) + -1(5 + 4i) = x

Remove parenthesis around (9 + 8i)
9 + 8i + -1(5 + 4i) = x
9 + 8i + (5 * -1 + 4i * -1) = x
9 + 8i + (-5 + -4i) = x

Reorder the terms:
9 + -5 + 8i + -4i = x

Combine like terms: 9 + -5 = 4
4 + 8i + -4i = x

Combine like terms: 8i + -4i = 4i
4 + 4i = x

Solving
4 + 4i = x

Solving for variable 'i'.

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

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

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

Divide each side by '4'.
i = -1 + 0.25x

Simplifying
i = -1 + 0.25x

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