-3=9+j

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Solution for -3=9+j equation:


Simplifying
-3 = 9 + j

Solving
-3 = 9 + j

Solving for variable 'j'.

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

Add '-1j' to each side of the equation.
-3 + -1j = 9 + j + -1j

Combine like terms: j + -1j = 0
-3 + -1j = 9 + 0
-3 + -1j = 9

Add '3' to each side of the equation.
-3 + 3 + -1j = 9 + 3

Combine like terms: -3 + 3 = 0
0 + -1j = 9 + 3
-1j = 9 + 3

Combine like terms: 9 + 3 = 12
-1j = 12

Divide each side by '-1'.
j = -12

Simplifying
j = -12

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