7=r+2-2r

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


7=r+2-2r

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

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

We simplify left and right side of the equation. 
+1r=-5

We divide both sides of the equation by 1 to get r. 
r=-5

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