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(a+1)/3+(a-1)/5=(2/15)
We move all terms to the left:
(a+1)/3+(a-1)/5-((2/15))=0
We add all the numbers together, and all the variables
(a+1)/3+(a-1)/5-((+2/15))=0
We calculate fractions
a/()+a/()+()/()=0
We add all the numbers together, and all the variables
a/()+a/()+1=0
We multiply all the terms by the denominator
a+a+1*()=0
We add all the numbers together, and all the variables
2a=0
a=0/2
a=0
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