3r+2(5r-4)=-27.5

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Solution for 3r+2(5r-4)=-27.5 equation: 



3r+2(5r-4)=-27.5

We move all terms to the left:

3r+2(5r-4)-(-27.5)=0

We add all the numbers together, and all the variables

3r+2(5r-4)+27.5=0

We multiply parentheses

3r+10r-8+27.5=0

We add all the numbers together, and all the variables

13r+19.5=0

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

13r=-19.5

r=-19.5/13

r=-1+4.3333333333333/8.6666666666667

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