-1+2r=-7

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Solution for -1+2r=-7 equation:


-1+2r=-7

We simplify the equation to the form, which is simple to understand 
-1+2r=-7

We move all terms containing r to the left and all other terms to the right. 
+2r=-7+1

We simplify left and right side of the equation. 
+2r=-6

We divide both sides of the equation by 2 to get r. 
r=-3

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