5r+10=r-20

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Solution for 5r+10=r-20 equation: 



5r+10=r-20

We move all terms to the left:

5r+10-(r-20)=0

We get rid of parentheses

5r-r+20+10=0

We add all the numbers together, and all the variables

4r+30=0

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

4r=-30

r=-30/4

r=-7+1/2

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