(-3+7i)-(8+4i)=

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Solution for (-3+7i)-(8+4i)= equation:


Simplifying
(-3 + 7i) + -1(8 + 4i) = 0

Remove parenthesis around (-3 + 7i)
-3 + 7i + -1(8 + 4i) = 0
-3 + 7i + (8 * -1 + 4i * -1) = 0
-3 + 7i + (-8 + -4i) = 0

Reorder the terms:
-3 + -8 + 7i + -4i = 0

Combine like terms: -3 + -8 = -11
-11 + 7i + -4i = 0

Combine like terms: 7i + -4i = 3i
-11 + 3i = 0

Solving
-11 + 3i = 0

Solving for variable 'i'.

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

Add '11' to each side of the equation.
-11 + 11 + 3i = 0 + 11

Combine like terms: -11 + 11 = 0
0 + 3i = 0 + 11
3i = 0 + 11

Combine like terms: 0 + 11 = 11
3i = 11

Divide each side by '3'.
i = 3.666666667

Simplifying
i = 3.666666667

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