7j-15=69

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Solution for 7j-15=69 equation: 



7j-15=69

We move all terms to the left:

7j-15-(69)=0

We add all the numbers together, and all the variables

7j-84=0

We move all terms containing j to the left, all other terms to the right

7j=84

j=84/7

j=12

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