(7j-1)-(8j-9)=

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Solution for (7j-1)-(8j-9)= equation:


Simplifying
(7j + -1) + -1(8j + -9) = 0

Reorder the terms:
(-1 + 7j) + -1(8j + -9) = 0

Remove parenthesis around (-1 + 7j)
-1 + 7j + -1(8j + -9) = 0

Reorder the terms:
-1 + 7j + -1(-9 + 8j) = 0
-1 + 7j + (-9 * -1 + 8j * -1) = 0
-1 + 7j + (9 + -8j) = 0

Reorder the terms:
-1 + 9 + 7j + -8j = 0

Combine like terms: -1 + 9 = 8
8 + 7j + -8j = 0

Combine like terms: 7j + -8j = -1j
8 + -1j = 0

Solving
8 + -1j = 0

Solving for variable 'j'.

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

Add '-8' to each side of the equation.
8 + -8 + -1j = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -1j = 0 + -8
-1j = 0 + -8

Combine like terms: 0 + -8 = -8
-1j = -8

Divide each side by '-1'.
j = 8

Simplifying
j = 8

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