7j-13=15

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Solution for 7j-13=15 equation:



7j-13=15
We move all terms to the left:
7j-13-(15)=0
We add all the numbers together, and all the variables
7j-28=0
We move all terms containing j to the left, all other terms to the right
7j=28
j=28/7
j=4

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