21+3j=9

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Solution for 21+3j=9 equation: 


Simplifying
21 + 3j = 9

Solving
21 + 3j = 9

Solving for variable 'j'.

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

Add '-21' to each side of the equation.
21 + -21 + 3j = 9 + -21

Combine like terms: 21 + -21 = 0
0 + 3j = 9 + -21
3j = 9 + -21

Combine like terms: 9 + -21 = -12
3j = -12

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

Simplifying
j = -4

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