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

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Solution for 9(z-j)+3(5+2j)=(7-2j)-4 equation:


Simplifying
9(z + -1j) + 3(5 + 2j) = (7 + -2j) + -4

Reorder the terms:
9(-1j + z) + 3(5 + 2j) = (7 + -2j) + -4
(-1j * 9 + z * 9) + 3(5 + 2j) = (7 + -2j) + -4
(-9j + 9z) + 3(5 + 2j) = (7 + -2j) + -4
-9j + 9z + (5 * 3 + 2j * 3) = (7 + -2j) + -4
-9j + 9z + (15 + 6j) = (7 + -2j) + -4

Reorder the terms:
15 + -9j + 6j + 9z = (7 + -2j) + -4

Combine like terms: -9j + 6j = -3j
15 + -3j + 9z = (7 + -2j) + -4

Remove parenthesis around (7 + -2j)
15 + -3j + 9z = 7 + -2j + -4

Reorder the terms:
15 + -3j + 9z = 7 + -4 + -2j

Combine like terms: 7 + -4 = 3
15 + -3j + 9z = 3 + -2j

Solving
15 + -3j + 9z = 3 + -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 + -3j + 2j + 9z = 3 + -2j + 2j

Combine like terms: -3j + 2j = -1j
15 + -1j + 9z = 3 + -2j + 2j

Combine like terms: -2j + 2j = 0
15 + -1j + 9z = 3 + 0
15 + -1j + 9z = 3

Add '-15' to each side of the equation.
15 + -1j + -15 + 9z = 3 + -15

Reorder the terms:
15 + -15 + -1j + 9z = 3 + -15

Combine like terms: 15 + -15 = 0
0 + -1j + 9z = 3 + -15
-1j + 9z = 3 + -15

Combine like terms: 3 + -15 = -12
-1j + 9z = -12

Add '-9z' to each side of the equation.
-1j + 9z + -9z = -12 + -9z

Combine like terms: 9z + -9z = 0
-1j + 0 = -12 + -9z
-1j = -12 + -9z

Divide each side by '-1'.
j = 12 + 9z

Simplifying
j = 12 + 9z

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