7j+28=91

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Solution for 7j+28=91 equation: 



7j+28=91

We move all terms to the left:

7j+28-(91)=0

We add all the numbers together, and all the variables

7j-63=0

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

7j=63

j=63/7

j=9

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