9j-7j+2j=12

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Solution for 9j-7j+2j=12 equation: 


Simplifying
9j + -7j + 2j = 12

Combine like terms: 9j + -7j = 2j
2j + 2j = 12

Combine like terms: 2j + 2j = 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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