3r+10=-r-10

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Solution for 3r+10=-r-10 equation: 



3r+10=-r-10

We move all terms to the left:

3r+10-(-r-10)=0

We add all the numbers together, and all the variables

3r-(-1r-10)+10=0

We get rid of parentheses

3r+1r+10+10=0

We add all the numbers together, and all the variables

4r+20=0

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

4r=-20

r=-20/4

r=-5

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