81-j=9j+117

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Solution for 81-j=9j+117 equation:


Simplifying
81 + -1j = 9j + 117

Reorder the terms:
81 + -1j = 117 + 9j

Solving
81 + -1j = 117 + 9j

Solving for variable 'j'.

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

Add '-9j' to each side of the equation.
81 + -1j + -9j = 117 + 9j + -9j

Combine like terms: -1j + -9j = -10j
81 + -10j = 117 + 9j + -9j

Combine like terms: 9j + -9j = 0
81 + -10j = 117 + 0
81 + -10j = 117

Add '-81' to each side of the equation.
81 + -81 + -10j = 117 + -81

Combine like terms: 81 + -81 = 0
0 + -10j = 117 + -81
-10j = 117 + -81

Combine like terms: 117 + -81 = 36
-10j = 36

Divide each side by '-10'.
j = -3.6

Simplifying
j = -3.6

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