-7.74=6r-7.8r

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Solution for -7.74=6r-7.8r equation: 



-7.74=6r-7.8r

We move all terms to the left:

-7.74-(6r-7.8r)=0

We add all the numbers together, and all the variables

-(-1.8r)-7.74=0

We get rid of parentheses

1.8r-7.74=0

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

1.8r=7.74

r=7.74/1.8

r=4+0.54/1.8

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