345=j+121.9

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Solution for 345=j+121.9 equation:


Simplifying
345 = j + 121.9

Reorder the terms:
345 = 121.9 + j

Solving
345 = 121.9 + j

Solving for variable 'j'.

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

Add '-1j' to each side of the equation.
345 + -1j = 121.9 + j + -1j

Combine like terms: j + -1j = 0
345 + -1j = 121.9 + 0
345 + -1j = 121.9

Add '-345' to each side of the equation.
345 + -345 + -1j = 121.9 + -345

Combine like terms: 345 + -345 = 0
0 + -1j = 121.9 + -345
-1j = 121.9 + -345

Combine like terms: 121.9 + -345 = -223.1
-1j = -223.1

Divide each side by '-1'.
j = 223.1

Simplifying
j = 223.1

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