7+4i-(-3-6i)=

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Solution for 7+4i-(-3-6i)= equation:


Simplifying
7 + 4i + -1(-3 + -6i) = 0
7 + 4i + (-3 * -1 + -6i * -1) = 0
7 + 4i + (3 + 6i) = 0

Reorder the terms:
7 + 3 + 4i + 6i = 0

Combine like terms: 7 + 3 = 10
10 + 4i + 6i = 0

Combine like terms: 4i + 6i = 10i
10 + 10i = 0

Solving
10 + 10i = 0

Solving for variable 'i'.

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

Add '-10' to each side of the equation.
10 + -10 + 10i = 0 + -10

Combine like terms: 10 + -10 = 0
0 + 10i = 0 + -10
10i = 0 + -10

Combine like terms: 0 + -10 = -10
10i = -10

Divide each side by '10'.
i = -1

Simplifying
i = -1

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