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1/5r=-10
We move all terms to the left:
1/5r-(-10)=0
Domain of the equation: 5r!=0We add all the numbers together, and all the variables
r!=0/5
r!=0
r∈R
1/5r+10=0
We multiply all the terms by the denominator
10*5r+1=0
Wy multiply elements
50r+1=0
We move all terms containing r to the left, all other terms to the right
50r=-1
r=-1/50
r=-1/50
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