7(2-j)-5=30

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Solution for 7(2-j)-5=30 equation:


Simplifying
7(2 + -1j) + -5 = 30
(2 * 7 + -1j * 7) + -5 = 30
(14 + -7j) + -5 = 30

Reorder the terms:
14 + -5 + -7j = 30

Combine like terms: 14 + -5 = 9
9 + -7j = 30

Solving
9 + -7j = 30

Solving for variable 'j'.

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

Add '-9' to each side of the equation.
9 + -9 + -7j = 30 + -9

Combine like terms: 9 + -9 = 0
0 + -7j = 30 + -9
-7j = 30 + -9

Combine like terms: 30 + -9 = 21
-7j = 21

Divide each side by '-7'.
j = -3

Simplifying
j = -3

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