2j=j-7

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Solution for 2j=j-7 equation: 



2j=j-7

We move all terms to the left:

2j-(j-7)=0

We get rid of parentheses

2j-j+7=0

We add all the numbers together, and all the variables

j+7=0

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

j=-7

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