(r+10)+r=r+20

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Solution for (r+10)+r=r+20 equation:


(r+10)+r=r+20

We simplify the equation to the form, which is simple to understand 
(r+10)+r=r+20

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

We move all terms containing r to the left and all other terms to the right. 
+1r+1r-1r=+20-10

We simplify left and right side of the equation. 
+1r=+10

We divide both sides of the equation by 1 to get r. 
r=10

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