15=2(6-j+4)+4j

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Solution for 15=2(6-j+4)+4j equation:


Simplifying
15 = 2(6 + -1j + 4) + 4j

Reorder the terms:
15 = 2(6 + 4 + -1j) + 4j

Combine like terms: 6 + 4 = 10
15 = 2(10 + -1j) + 4j
15 = (10 * 2 + -1j * 2) + 4j
15 = (20 + -2j) + 4j

Combine like terms: -2j + 4j = 2j
15 = 20 + 2j

Solving
15 = 20 + 2j

Solving for variable 'j'.

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

Add '-2j' to each side of the equation.
15 + -2j = 20 + 2j + -2j

Combine like terms: 2j + -2j = 0
15 + -2j = 20 + 0
15 + -2j = 20

Add '-15' to each side of the equation.
15 + -15 + -2j = 20 + -15

Combine like terms: 15 + -15 = 0
0 + -2j = 20 + -15
-2j = 20 + -15

Combine like terms: 20 + -15 = 5
-2j = 5

Divide each side by '-2'.
j = -2.5

Simplifying
j = -2.5

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