r-2r+4=-8

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Solution for r-2r+4=-8 equation:


r-2r+4=-8

We simplify the equation to the form, which is simple to understand 
r-2r+4=-8

We move all terms containing r to the left and all other terms to the right. 
+1r-2r=-8-4

We simplify left and right side of the equation. 
-1r=-12

We divide both sides of the equation by -1 to get r. 
r=12

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