5(4.2j-2.4)=1.5(8j-4)

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Solution for 5(4.2j-2.4)=1.5(8j-4) equation:


Simplifying
5(4.2j + -2.4) = 1.5(8j + -4)

Reorder the terms:
5(-2.4 + 4.2j) = 1.5(8j + -4)
(-2.4 * 5 + 4.2j * 5) = 1.5(8j + -4)
(-12 + 21j) = 1.5(8j + -4)

Reorder the terms:
-12 + 21j = 1.5(-4 + 8j)
-12 + 21j = (-4 * 1.5 + 8j * 1.5)
-12 + 21j = (-6 + 12j)

Solving
-12 + 21j = -6 + 12j

Solving for variable 'j'.

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

Add '-12j' to each side of the equation.
-12 + 21j + -12j = -6 + 12j + -12j

Combine like terms: 21j + -12j = 9j
-12 + 9j = -6 + 12j + -12j

Combine like terms: 12j + -12j = 0
-12 + 9j = -6 + 0
-12 + 9j = -6

Add '12' to each side of the equation.
-12 + 12 + 9j = -6 + 12

Combine like terms: -12 + 12 = 0
0 + 9j = -6 + 12
9j = -6 + 12

Combine like terms: -6 + 12 = 6
9j = 6

Divide each side by '9'.
j = 0.6666666667

Simplifying
j = 0.6666666667

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