10r+10r+2=-8+10r

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Solution for 10r+10r+2=-8+10r equation: 



10r+10r+2=-8+10r

We move all terms to the left:

10r+10r+2-(-8+10r)=0

We add all the numbers together, and all the variables

10r+10r-(10r-8)+2=0

We add all the numbers together, and all the variables

20r-(10r-8)+2=0

We get rid of parentheses

20r-10r+8+2=0

We add all the numbers together, and all the variables

10r+10=0

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

10r=-10

r=-10/10

r=-1

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