-1=1+2r

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Solution for -1=1+2r equation:


-1 = 1 +2r 

We simplify the equation to the form, which is simple to understand 
-1=1+2r

We move all terms containing r to the left and all other terms to the right. 
-2r=+1+1

We simplify left and right side of the equation. 
-2r=+2

We divide both sides of the equation by -02 to get r. 
r=-1

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