20=5r-3+2(9-3r)

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Solution for 20=5r-3+2(9-3r) equation:


20=5r-3+2(9-3r)

We simplify the equation to the form, which is simple to understand 
20=5r-3+2(9-3r)

Reorder the terms in parentheses
20=5r-3+(+18-6r)

Remove unnecessary parentheses
+20=+5r-3+18-6r

We move all terms containing r to the left and all other terms to the right. 
-5r+6r=-3+18-20

We simplify left and right side of the equation. 
+1r=-5

We divide both sides of the equation by 1 to get r. 
r=-5

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