1+2r-4R=1+5r

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Solution for 1+2r-4R=1+5r equation: 



1+2r-4=1+5r

We move all terms to the left:

1+2r-4-(1+5r)=0

We add all the numbers together, and all the variables

2r-(5r+1)+1-4=0

We add all the numbers together, and all the variables

2r-(5r+1)-3=0

We get rid of parentheses

2r-5r-1-3=0

We add all the numbers together, and all the variables

-3r-4=0

We move all terms containing r to the left, all other terms to the right

-3r=4

r=4/-3

r=-1+1/3

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