1-2r+8=-15+5r+r

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Solution for 1-2r+8=-15+5r+r equation: 



1-2r+8=-15+5r+r

We move all terms to the left:

1-2r+8-(-15+5r+r)=0

We add all the numbers together, and all the variables

-2r-(6r-15)+1+8=0

We add all the numbers together, and all the variables

-2r-(6r-15)+9=0

We get rid of parentheses

-2r-6r+15+9=0

We add all the numbers together, and all the variables

-8r+24=0

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

-8r=-24

r=-24/-8

r=+3

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