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8/d+13=6/d-13
We move all terms to the left:
8/d+13-(6/d-13)=0
Domain of the equation: d!=0
d∈R
Domain of the equation: d-13)!=0We get rid of parentheses
d∈R
8/d-6/d+13+13=0
We multiply all the terms by the denominator
13*d+13*d+8-6=0
We add all the numbers together, and all the variables
26d+2=0
We move all terms containing d to the left, all other terms to the right
26d=-2
d=-2/26
d=-1/13
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