7r-(2r+4)=

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Solution for 7r-(2r+4)= equation:


7r-(2r+4)=0

We simplify the equation to the form, which is simple to understand 
7r-(2r+4)=0

Remove unnecessary parentheses
7r-2r-4=0

We move all terms containing r to the left and all other terms to the right. 
+7r-2r=0+4

We simplify left and right side of the equation. 
+5r=+4

We divide both sides of the equation by 5 to get r. 
r=0.8

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