6.4r-7=2.0r

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Solution for 6.4r-7=2.0r equation: 



6.4r-7=2.0r

We move all terms to the left:

6.4r-7-(2.0r)=0

We add all the numbers together, and all the variables

6.4r-(+2.0r)-7=0

We get rid of parentheses

6.4r-2.0r-7=0

We add all the numbers together, and all the variables

4.4r-7=0

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

4.4r=7

r=7/4.4

r=1+1/1.6923076923077

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