2(r+5)=-20

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Solution for 2(r+5)=-20 equation:


2(r+5)=-20

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

Reorder the terms in parentheses
+(+2r+10)=-20

Remove unnecessary parentheses
+2r+10=-20

We move all terms containing r to the left and all other terms to the right. 
+2r=-20-10

We simplify left and right side of the equation. 
+2r=-30

We divide both sides of the equation by 2 to get r. 
r=-15

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