1+0.8r=2+0.75r

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Solution for 1+0.8r=2+0.75r equation: 



1+0.8r=2+0.75r

We move all terms to the left:

1+0.8r-(2+0.75r)=0

We add all the numbers together, and all the variables

0.8r-(0.75r+2)+1=0

We get rid of parentheses

0.8r-0.75r-2+1=0

We add all the numbers together, and all the variables

0.05r-1=0

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

0.05r=1

r=1/0.05

r=20

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