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

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


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

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

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

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

Combine like terms: 5 + 7 = 12
12 + 2j + j = 0

Combine like terms: 2j + j = 3j
12 + 3j = 0

Solving
12 + 3j = 0

Solving for variable 'j'.

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

Add '-12' to each side of the equation.
12 + -12 + 3j = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 3j = 0 + -12
3j = 0 + -12

Combine like terms: 0 + -12 = -12
3j = -12

Divide each side by '3'.
j = -4

Simplifying
j = -4

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