9=4(3j-4)-7j

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Solution for 9=4(3j-4)-7j equation:


Simplifying
9 = 4(3j + -4) + -7j

Reorder the terms:
9 = 4(-4 + 3j) + -7j
9 = (-4 * 4 + 3j * 4) + -7j
9 = (-16 + 12j) + -7j

Combine like terms: 12j + -7j = 5j
9 = -16 + 5j

Solving
9 = -16 + 5j

Solving for variable 'j'.

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

Add '-5j' to each side of the equation.
9 + -5j = -16 + 5j + -5j

Combine like terms: 5j + -5j = 0
9 + -5j = -16 + 0
9 + -5j = -16

Add '-9' to each side of the equation.
9 + -9 + -5j = -16 + -9

Combine like terms: 9 + -9 = 0
0 + -5j = -16 + -9
-5j = -16 + -9

Combine like terms: -16 + -9 = -25
-5j = -25

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

Simplifying
j = 5

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