(7-15i)-(8+3i)=

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Solution for (7-15i)-(8+3i)= equation:


Simplifying
(7 + -15i) + -1(8 + 3i) = 0

Remove parenthesis around (7 + -15i)
7 + -15i + -1(8 + 3i) = 0
7 + -15i + (8 * -1 + 3i * -1) = 0
7 + -15i + (-8 + -3i) = 0

Reorder the terms:
7 + -8 + -15i + -3i = 0

Combine like terms: 7 + -8 = -1
-1 + -15i + -3i = 0

Combine like terms: -15i + -3i = -18i
-1 + -18i = 0

Solving
-1 + -18i = 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 + -18i = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -18i = 0 + 1
-18i = 0 + 1

Combine like terms: 0 + 1 = 1
-18i = 1

Divide each side by '-18'.
i = -0.05555555556

Simplifying
i = -0.05555555556

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