-2(7.5r-3.5)=-21.5

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Solution for -2(7.5r-3.5)=-21.5 equation: 



-2(7.5r-3.5)=-21.5

We move all terms to the left:

-2(7.5r-3.5)-(-21.5)=0

We add all the numbers together, and all the variables

-2(7.5r-3.5)+21.5=0

We multiply parentheses

-14r+7+21.5=0

We add all the numbers together, and all the variables

-14r+28.5=0

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

-14r=-28.5

r=-28.5/-14

r=2+0.5/14

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