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j/2=1.25
We move all terms to the left:
j/2-(1.25)=0
We add all the numbers together, and all the variables
j/2-1.25=0
We multiply all the terms by the denominator
j-(1.25)*2=0
We add all the numbers together, and all the variables
j-2.5=0
We move all terms containing j to the left, all other terms to the right
j=2.5
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