4=r/(-2)+2

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Solution for 4=r/(-2)+2 equation:


4=r/(-2)+2

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

Reorder the terms in parentheses
4=+(-0.5r)+2

Remove unnecessary parentheses
+4=-0.5r+2

We move all terms containing r to the left and all other terms to the right. 
 + 0.5r=+2-4

We simplify left and right side of the equation. 
 + 0.5r=-2

We divide both sides of the equation by 00.5 to get r. 
r=-4

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