(7+4i)-(8+i)=0

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Solution for (7+4i)-(8+i)=0 equation:


Simplifying
(7 + 4i) + -1(8 + i) = 0

Remove parenthesis around (7 + 4i)
7 + 4i + -1(8 + i) = 0
7 + 4i + (8 * -1 + i * -1) = 0
7 + 4i + (-8 + -1i) = 0

Reorder the terms:
7 + -8 + 4i + -1i = 0

Combine like terms: 7 + -8 = -1
-1 + 4i + -1i = 0

Combine like terms: 4i + -1i = 3i
-1 + 3i = 0

Solving
-1 + 3i = 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 + 3i = 0 + 1

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

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

Divide each side by '3'.
i = 0.3333333333

Simplifying
i = 0.3333333333

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