-5=1/4(4+20r)-8r

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Solution for -5=1/4(4+20r)-8r equation:


-5=1/4(4+20r)-8r

We simplify the equation to the form, which is simple to understand 
-5=1/4(4+20r)-8r

Simplifying:
-5=0.25*(4+20r)-8r

Reorder the terms in parentheses
-5=+(+1+5r)-8r

Remove unnecessary parentheses
-5=+1+5r-8r

We move all terms containing r to the left and all other terms to the right. 
-5r+8r=+1+5

We simplify left and right side of the equation. 
+3r=+6

We divide both sides of the equation by 3 to get r. 
r=2

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