r+3=-12

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Solution for r+3=-12 equation:


r+3=-12

We simplify the equation to the form, which is simple to understand 
r+3=-12

We move all terms containing r to the left and all other terms to the right. 
+1r=-12-3

We simplify left and right side of the equation. 
+1r=-15

We divide both sides of the equation by 1 to get r. 
r=-15

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