8r-(r+9)=r+4

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Solution for 8r-(r+9)=r+4 equation:


8r-(r+9)=r+4

We simplify the equation to the form, which is simple to understand 
8r-(r+9)=r+4

Remove unnecessary parentheses
8r-1r-9=r+4

We move all terms containing r to the left and all other terms to the right. 
+8r-1r-1r=+4+9

We simplify left and right side of the equation. 
+6r=+13

We divide both sides of the equation by 6 to get r. 
r=2.16666666667

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