144=-3(-6+6r)

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Solution for 144=-3(-6+6r) equation:


144=-3(-6+6r)

We simplify the equation to the form, which is simple to understand 
144=-3(-6+6r)

Reorder the terms in parentheses
144=+(+18-18r)

Remove unnecessary parentheses
+144=+18-18r

We move all terms containing r to the left and all other terms to the right. 
+18r=+18-144

We simplify left and right side of the equation. 
+18r=-126

We divide both sides of the equation by 018 to get r. 
r=-7

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