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j+2/5=4/5
We move all terms to the left:
j+2/5-(4/5)=0
We add all the numbers together, and all the variables
j+2/5-(+4/5)=0
We get rid of parentheses
j+2/5-4/5=0
We multiply all the terms by the denominator
j*5+2-4=0
We add all the numbers together, and all the variables
j*5-2=0
Wy multiply elements
5j-2=0
We move all terms containing j to the left, all other terms to the right
5j=2
j=2/5
j=2/5
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