-7r+10-r=1-9r

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Solution for -7r+10-r=1-9r equation: 



-7r+10-r=1-9r

We move all terms to the left:

-7r+10-r-(1-9r)=0

We add all the numbers together, and all the variables

-7r-r-(-9r+1)+10=0

We add all the numbers together, and all the variables

-8r-(-9r+1)+10=0

We get rid of parentheses

-8r+9r-1+10=0

We add all the numbers together, and all the variables

r+9=0

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

r=-9

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