7(j-91)=42

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Solution for 7(j-91)=42 equation: 



7(j-91)=42

We move all terms to the left:

7(j-91)-(42)=0

We multiply parentheses

7j-637-42=0

We add all the numbers together, and all the variables

7j-679=0

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

7j=679

j=679/7

j=97

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