3j-7j=-12

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Solution for 3j-7j=-12 equation: 


Simplifying
3j + -7j = -12

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

Solving
-4j = -12

Solving for variable 'j'.

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

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

Simplifying
j = 3

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