21j+45=123

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Solution for 21j+45=123 equation: 


Simplifying
21j + 45 = 123

Reorder the terms:
45 + 21j = 123

Solving
45 + 21j = 123

Solving for variable 'j'.

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

Add '-45' to each side of the equation.
45 + -45 + 21j = 123 + -45

Combine like terms: 45 + -45 = 0
0 + 21j = 123 + -45
21j = 123 + -45

Combine like terms: 123 + -45 = 78
21j = 78

Divide each side by '21'.
j = 3.714285714

Simplifying
j = 3.714285714

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