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j+30+j+30/3+j+30/3-15=175
We move all terms to the left:
j+30+j+30/3+j+30/3-15-(175)=0
determiningTheFunctionDomain j+j+j+30-15-175+30/3+30/3=0
We add all the numbers together, and all the variables
3j-140=0
We move all terms containing j to the left, all other terms to the right
3j=140
j=140/3
j=46+2/3
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