19.45+15.2r+4.9r=-18.54+17.2r

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Solution for 19.45+15.2r+4.9r=-18.54+17.2r equation: 



19.45+15.2r+4.9r=-18.54+17.2r

We move all terms to the left:

19.45+15.2r+4.9r-(-18.54+17.2r)=0

We add all the numbers together, and all the variables

15.2r+4.9r-(17.2r-18.54)+19.45=0

We add all the numbers together, and all the variables

20.1r-(17.2r-18.54)+19.45=0

We get rid of parentheses

20.1r-17.2r+18.54+19.45=0

We add all the numbers together, and all the variables

2.9r+37.99=0

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

2.9r=-37.99

r=-37.99/2.9

r=-13+0.29/2.9

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