(-12+48)+(15+21i)=0

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Solution for (-12+48)+(15+21i)=0 equation:


Simplifying
(-12 + 48) + (15 + 21i) = 0

Combine like terms: -12 + 48 = 36
(36) + (15 + 21i) = 0
36 + (15 + 21i) = 0

Remove parenthesis around (15 + 21i)
36 + 15 + 21i = 0

Combine like terms: 36 + 15 = 51
51 + 21i = 0

Solving
51 + 21i = 0

Solving for variable 'i'.

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

Add '-51' to each side of the equation.
51 + -51 + 21i = 0 + -51

Combine like terms: 51 + -51 = 0
0 + 21i = 0 + -51
21i = 0 + -51

Combine like terms: 0 + -51 = -51
21i = -51

Divide each side by '21'.
i = -2.428571429

Simplifying
i = -2.428571429

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