12/7r-2=5/7r

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Solution for 12/7r-2=5/7r equation:



12/7r-2=5/7r
We move all terms to the left:
12/7r-2-(5/7r)=0
Domain of the equation: 7r!=0
r!=0/7
r!=0
r∈R
Domain of the equation: 7r)!=0
r!=0/1
r!=0
r∈R
We add all the numbers together, and all the variables
12/7r-(+5/7r)-2=0
We get rid of parentheses
12/7r-5/7r-2=0
We multiply all the terms by the denominator
-2*7r+12-5=0
We add all the numbers together, and all the variables
-2*7r+7=0
Wy multiply elements
-14r+7=0
We move all terms containing r to the left, all other terms to the right
-14r=-7
r=-7/-14
r=1/2

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