4(16-5r)=90

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Solution for 4(16-5r)=90 equation:


4(16-5r)=90

We simplify the equation to the form, which is simple to understand 
4(16-5r)=90

Reorder the terms in parentheses
+(+64-20r)=90

Remove unnecessary parentheses
+64-20r=+90

We move all terms containing r to the left and all other terms to the right. 
-20r=+90-64

We simplify left and right side of the equation. 
-20r=+26

We divide both sides of the equation by -20 to get r. 
r=-1.3

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