(7+5j)+(-4-2j)=

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Solution for (7+5j)+(-4-2j)= equation:


Simplifying
(7 + 5j) + (-4 + -2j) = 0

Remove parenthesis around (7 + 5j)
7 + 5j + (-4 + -2j) = 0

Remove parenthesis around (-4 + -2j)
7 + 5j + -4 + -2j = 0

Reorder the terms:
7 + -4 + 5j + -2j = 0

Combine like terms: 7 + -4 = 3
3 + 5j + -2j = 0

Combine like terms: 5j + -2j = 3j
3 + 3j = 0

Solving
3 + 3j = 0

Solving for variable 'j'.

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

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

Combine like terms: 3 + -3 = 0
0 + 3j = 0 + -3
3j = 0 + -3

Combine like terms: 0 + -3 = -3
3j = -3

Divide each side by '3'.
j = -1

Simplifying
j = -1

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