-4=r/20=5

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Solution for -4=r/20=5 equation:



-4=r/20=5
We move all terms to the left:
-4-(r/20)=0
We add all the numbers together, and all the variables
-(+r/20)-4=0
We get rid of parentheses
-r/20-4=0
We multiply all the terms by the denominator
-r-4*20=0
We add all the numbers together, and all the variables
-1r-80=0
We move all terms containing r to the left, all other terms to the right
-r=80
r=80/-1
r=-80

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