3(-r-12)-13r=-19r

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Solution for 3(-r-12)-13r=-19r equation:


3(-r-12)-13r=-19r

We simplify the equation to the form, which is simple to understand 
3(-r-12)-13r=-19r

Reorder the terms in parentheses
+(-3r-36)-13r=-19r

Remove unnecessary parentheses
-3r-36-13r=-19r

We move all terms containing r to the left and all other terms to the right. 
-3r-13r+19r=+36

We simplify left and right side of the equation. 
+3r=+36

We divide both sides of the equation by 3 to get r. 
r=12

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