4(8-5r)-7=185

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Solution for 4(8-5r)-7=185 equation:


4(8-5r)-7=185

We simplify the equation to the form, which is simple to understand 
4(8-5r)-7=185

Reorder the terms in parentheses
+(+32-20r)-7=185

Remove unnecessary parentheses
+32-20r-7=+185

We move all terms containing r to the left and all other terms to the right. 
-20r=+185-32+7

We simplify left and right side of the equation. 
-20r=+160

We divide both sides of the equation by -20 to get r. 
r=-8

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