7j+3-4j+9=0

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Solution for 7j+3-4j+9=0 equation:


Simplifying
7j + 3 + -4j + 9 = 0

Reorder the terms:
3 + 9 + 7j + -4j = 0

Combine like terms: 3 + 9 = 12
12 + 7j + -4j = 0

Combine like terms: 7j + -4j = 3j
12 + 3j = 0

Solving
12 + 3j = 0

Solving for variable 'j'.

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

Add '-12' to each side of the equation.
12 + -12 + 3j = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 3j = 0 + -12
3j = 0 + -12

Combine like terms: 0 + -12 = -12
3j = -12

Divide each side by '3'.
j = -4

Simplifying
j = -4

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