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15/2x=90
We move all terms to the left:
15/2x-(90)=0
Domain of the equation: 2x!=0We multiply all the terms by the denominator
x!=0/2
x!=0
x∈R
-90*2x+15=0
Wy multiply elements
-180x+15=0
We move all terms containing x to the left, all other terms to the right
-180x=-15
x=-15/-180
x=1/12
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