9-(-5-r)=-10-2r

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Solution for 9-(-5-r)=-10-2r equation:


9-(-5-r)=-10-2r

We simplify the equation to the form, which is simple to understand 
9-(-5-r)=-10-2r

Remove unnecessary parentheses
9+5+1r=-10-2r

We move all terms containing r to the left and all other terms to the right. 
+1r+2r=-10-9-5

We simplify left and right side of the equation. 
+3r=-24

We divide both sides of the equation by 3 to get r. 
r=-8

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