5(r+9-0)-2(1-r)=1

Solution for 5(r+9-0)-2(1-r)=1 equation:

5(r+9-0)-2(1-r)=1

We simplify the equation to the form, which is simple to understand 
5(r+9-0)-2(1-r)=1

Reorder the terms in parentheses
+(-0+45+5r)-2*(1-r)=1

Remove unnecessary parentheses
+45+5r-2+*(+1-r+)=+1

Reorder the terms in parentheses
+45+5r+(-2+2r)=1

Remove unnecessary parentheses
+45+5r-2+2r=+1

We move all terms containing r to the left and all other terms to the right. 
+5r+2r=+1-45+2

We simplify left and right side of the equation. 
+7r=-42

We divide both sides of the equation by 7 to get r. 
r=-6