-3r-5r=-3-7r

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Solution for -3r-5r=-3-7r equation:


-3r-5r=-3-7r

We simplify the equation to the form, which is simple to understand 
-3r-5r=-3-7r

We move all terms containing r to the left and all other terms to the right. 
-3r-5r+7r=-3

We simplify left and right side of the equation. 
-1r=-3

We divide both sides of the equation by -1 to get r. 
r=3

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