30=2000/12*r

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Solution for 30=2000/12*r equation:



30=2000/12r
We move all terms to the left:
30-(2000/12r)=0
Domain of the equation: 12r)!=0
r!=0/1
r!=0
r∈R
We add all the numbers together, and all the variables
-(+2000/12r)+30=0
We get rid of parentheses
-2000/12r+30=0
We multiply all the terms by the denominator
30*12r-2000=0
Wy multiply elements
360r-2000=0
We move all terms containing r to the left, all other terms to the right
360r=2000
r=2000/360
r=5+5/9

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