3j+42=36-4j+9j

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Solution for 3j+42=36-4j+9j equation:


Simplifying
3j + 42 = 36 + -4j + 9j

Reorder the terms:
42 + 3j = 36 + -4j + 9j

Combine like terms: -4j + 9j = 5j
42 + 3j = 36 + 5j

Solving
42 + 3j = 36 + 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.
42 + 3j + -5j = 36 + 5j + -5j

Combine like terms: 3j + -5j = -2j
42 + -2j = 36 + 5j + -5j

Combine like terms: 5j + -5j = 0
42 + -2j = 36 + 0
42 + -2j = 36

Add '-42' to each side of the equation.
42 + -42 + -2j = 36 + -42

Combine like terms: 42 + -42 = 0
0 + -2j = 36 + -42
-2j = 36 + -42

Combine like terms: 36 + -42 = -6
-2j = -6

Divide each side by '-2'.
j = 3

Simplifying
j = 3

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