r+4.7+7r=-22.5

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Solution for r+4.7+7r=-22.5 equation: 



r+4.7+7r=-22.5

We move all terms to the left:

r+4.7+7r-(-22.5)=0

We add all the numbers together, and all the variables

8r+27.2=0

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

8r=-27.2

r=-27.2/8

r=-3+2.6666666666667/6.6666666666667

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