-5(r+9)=-81

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Solution for -5(r+9)=-81 equation:


-5(r+9)=-81

We simplify the equation to the form, which is simple to understand 
-5(r+9)=-81

Reorder the terms in parentheses
+(-5r-45)=-81

Remove unnecessary parentheses
-5r-45=-81

We move all terms containing r to the left and all other terms to the right. 
-5r=-81+45

We simplify left and right side of the equation. 
-5r=-36

We divide both sides of the equation by -5 to get r. 
r=7.2

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