21j+12=54

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Solution for 21j+12=54 equation: 


Simplifying
21j + 12 = 54

Reorder the terms:
12 + 21j = 54

Solving
12 + 21j = 54

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 + 21j = 54 + -12

Combine like terms: 12 + -12 = 0
0 + 21j = 54 + -12
21j = 54 + -12

Combine like terms: 54 + -12 = 42
21j = 42

Divide each side by '21'.
j = 2

Simplifying
j = 2

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