1+5r+1=-4r-7

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Solution for 1+5r+1=-4r-7 equation: 



1+5r+1=-4r-7

We move all terms to the left:

1+5r+1-(-4r-7)=0

We add all the numbers together, and all the variables

5r-(-4r-7)+2=0

We get rid of parentheses

5r+4r+7+2=0

We add all the numbers together, and all the variables

9r+9=0

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

9r=-9

r=-9/9

r=-1

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