-1-4r=-15-2r

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Solution for -1-4r=-15-2r equation: 



-1-4r=-15-2r

We move all terms to the left:

-1-4r-(-15-2r)=0

We add all the numbers together, and all the variables

-4r-(-2r-15)-1=0

We get rid of parentheses

-4r+2r+15-1=0

We add all the numbers together, and all the variables

-2r+14=0

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

-2r=-14

r=-14/-2

r=+7

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