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3/x+2=-7
We move all terms to the left:
3/x+2-(-7)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
3/x+9=0
We multiply all the terms by the denominator
9*x+3=0
We add all the numbers together, and all the variables
9x+3=0
We move all terms containing x to the left, all other terms to the right
9x=-3
x=-3/9
x=-1/3
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