=(4+i)-(-8-3i)

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Solution for =(4+i)-(-8-3i) equation:


Simplifying
0 = (4 + i) + -1(-8 + -3i)

Remove parenthesis around (4 + i)
0 = 4 + i + -1(-8 + -3i)
0 = 4 + i + (-8 * -1 + -3i * -1)
0 = 4 + i + (8 + 3i)

Reorder the terms:
0 = 4 + 8 + i + 3i

Combine like terms: 4 + 8 = 12
0 = 12 + i + 3i

Combine like terms: i + 3i = 4i
0 = 12 + 4i

Solving
0 = 12 + 4i

Solving for variable 'i'.

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

Add '-4i' to each side of the equation.
0 + -4i = 12 + 4i + -4i
Remove the zero:
-4i = 12 + 4i + -4i

Combine like terms: 4i + -4i = 0
-4i = 12 + 0
-4i = 12

Divide each side by '-4'.
i = -3

Simplifying
i = -3

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