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4/x+9=10
We move all terms to the left:
4/x+9-(10)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
4/x-1=0
We multiply all the terms by the denominator
-1*x+4=0
We add all the numbers together, and all the variables
-1x+4=0
We move all terms containing x to the left, all other terms to the right
-x=-4
x=-4/-1
x=+4
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