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-2/5x=10.2
We move all terms to the left:
-2/5x-(10.2)=0
Domain of the equation: 5x!=0We add all the numbers together, and all the variables
x!=0/5
x!=0
x∈R
-2/5x-10.2=0
We multiply all the terms by the denominator
-(10.2)*5x-2=0
We multiply parentheses
-51x-2=0
We move all terms containing x to the left, all other terms to the right
-51x=2
x=2/-51
x=-2/51
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