5(4-r)=-10r

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Solution for 5(4-r)=-10r equation:


5(4-r)=-10r

We simplify the equation to the form, which is simple to understand 
5(4-r)=-10r

Reorder the terms in parentheses
+(+20-5r)=-10r

Remove unnecessary parentheses
+20-5r=-10r

We move all terms containing r to the left and all other terms to the right. 
-5r+10r=-20

We simplify left and right side of the equation. 
+5r=-20

We divide both sides of the equation by 5 to get r. 
r=-4

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