-19j+20+18j=4(-3j-20)-9j

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Solution for -19j+20+18j=4(-3j-20)-9j equation:


Simplifying
-19j + 20 + 18j = 4(-3j + -20) + -9j

Reorder the terms:
20 + -19j + 18j = 4(-3j + -20) + -9j

Combine like terms: -19j + 18j = -1j
20 + -1j = 4(-3j + -20) + -9j

Reorder the terms:
20 + -1j = 4(-20 + -3j) + -9j
20 + -1j = (-20 * 4 + -3j * 4) + -9j
20 + -1j = (-80 + -12j) + -9j

Combine like terms: -12j + -9j = -21j
20 + -1j = -80 + -21j

Solving
20 + -1j = -80 + -21j

Solving for variable 'j'.

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

Add '21j' to each side of the equation.
20 + -1j + 21j = -80 + -21j + 21j

Combine like terms: -1j + 21j = 20j
20 + 20j = -80 + -21j + 21j

Combine like terms: -21j + 21j = 0
20 + 20j = -80 + 0
20 + 20j = -80

Add '-20' to each side of the equation.
20 + -20 + 20j = -80 + -20

Combine like terms: 20 + -20 = 0
0 + 20j = -80 + -20
20j = -80 + -20

Combine like terms: -80 + -20 = -100
20j = -100

Divide each side by '20'.
j = -5

Simplifying
j = -5

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