4j+12=20

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Solution for 4j+12=20 equation: 



4j+12=20

We move all terms to the left:

4j+12-(20)=0

We add all the numbers together, and all the variables

4j-8=0

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

4j=8

j=8/4

j=2

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