2j-1=7

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Solution for 2j-1=7 equation: 



2j-1=7

We move all terms to the left:

2j-1-(7)=0

We add all the numbers together, and all the variables

2j-8=0

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

2j=8

j=8/2

j=4

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