1.3=r/7+0.3

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Solution for 1.3=r/7+0.3 equation: 



1.3=r/7+0.3

We move all terms to the left:

1.3-(r/7+0.3)=0

We get rid of parentheses

-r/7-0.3+1.3=0

We multiply all the terms by the denominator


-r-(0.3)*7+(1.3)*7=0

We add all the numbers together, and all the variables

-1r+7=0

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

-r=-7

r=-7/-1

r=+7

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