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15/x-2+15/x+2=4
We move all terms to the left:
15/x-2+15/x+2-(4)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
15/x+15/x-4=0
We multiply all the terms by the denominator
-4*x+15+15=0
We add all the numbers together, and all the variables
-4x+30=0
We move all terms containing x to the left, all other terms to the right
-4x=-30
x=-30/-4
x=7+1/2
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