7j+3j=20

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Solution for 7j+3j=20 equation: 



7j+3j=20

We move all terms to the left:

7j+3j-(20)=0

We add all the numbers together, and all the variables

10j-20=0

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

10j=20

j=20/10

j=2

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