3(j+7)=78

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Solution for 3(j+7)=78 equation: 



3(j+7)=78

We move all terms to the left:

3(j+7)-(78)=0

We multiply parentheses

3j+21-78=0

We add all the numbers together, and all the variables

3j-57=0

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

3j=57

j=57/3

j=19

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