0.4=r-2.3

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Solution for 0.4=r-2.3 equation: 



0.4=r-2.3

We move all terms to the left:

0.4-(r-2.3)=0

We get rid of parentheses

-r+2.3+0.4=0

We add all the numbers together, and all the variables

-1r+2.7=0

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

-r=-2.7

r=-2.7/-1

r=2+0.7/1

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