4(5+2j)-5=3(3j+7)

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Solution for 4(5+2j)-5=3(3j+7) equation:


Simplifying
4(5 + 2j) + -5 = 3(3j + 7)
(5 * 4 + 2j * 4) + -5 = 3(3j + 7)
(20 + 8j) + -5 = 3(3j + 7)

Reorder the terms:
20 + -5 + 8j = 3(3j + 7)

Combine like terms: 20 + -5 = 15
15 + 8j = 3(3j + 7)

Reorder the terms:
15 + 8j = 3(7 + 3j)
15 + 8j = (7 * 3 + 3j * 3)
15 + 8j = (21 + 9j)

Solving
15 + 8j = 21 + 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.
15 + 8j + -9j = 21 + 9j + -9j

Combine like terms: 8j + -9j = -1j
15 + -1j = 21 + 9j + -9j

Combine like terms: 9j + -9j = 0
15 + -1j = 21 + 0
15 + -1j = 21

Add '-15' to each side of the equation.
15 + -15 + -1j = 21 + -15

Combine like terms: 15 + -15 = 0
0 + -1j = 21 + -15
-1j = 21 + -15

Combine like terms: 21 + -15 = 6
-1j = 6

Divide each side by '-1'.
j = -6

Simplifying
j = -6

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