4-(7+9i)=

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Solution for 4-(7+9i)= equation:


Simplifying
4 + -1(7 + 9i) = 0
4 + (7 * -1 + 9i * -1) = 0
4 + (-7 + -9i) = 0

Combine like terms: 4 + -7 = -3
-3 + -9i = 0

Solving
-3 + -9i = 0

Solving for variable 'i'.

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

Add '3' to each side of the equation.
-3 + 3 + -9i = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -9i = 0 + 3
-9i = 0 + 3

Combine like terms: 0 + 3 = 3
-9i = 3

Divide each side by '-9'.
i = -0.3333333333

Simplifying
i = -0.3333333333

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