1.8r=-12.5+0.8r

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Solution for 1.8r=-12.5+0.8r equation: 



1.8r=-12.5+0.8r

We move all terms to the left:

1.8r-(-12.5+0.8r)=0

We add all the numbers together, and all the variables

1.8r-(0.8r-12.5)=0

We get rid of parentheses

1.8r-0.8r+12.5=0

We add all the numbers together, and all the variables

r+12.5=0

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

r=-12.5

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