20-4r=-4(-5r-5)

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Solution for 20-4r=-4(-5r-5) equation:


20-4r=-4(-5r-5)

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

Reorder the terms in parentheses
20-4r=+(+20r+20)

Remove unnecessary parentheses
+20-4r=+20r+20

We move all terms containing r to the left and all other terms to the right. 
-4r-20r=+20-20

We simplify left and right side of the equation. 
-24r=0

We divide both sides of the equation by -24 to get r. 
r=-0

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