r+6.9=-1.2

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Solution for r+6.9=-1.2 equation: 



r+6.9=-1.2

We move all terms to the left:

r+6.9-(-1.2)=0

We add all the numbers together, and all the variables

r+8.1=0

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

r=-8.1

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