-15=-2r-5+4r

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Solution for -15=-2r-5+4r equation:


-15=-2r-5+4r

We simplify the equation to the form, which is simple to understand 
-15=-2r-5+4r

We move all terms containing r to the left and all other terms to the right. 
+2r-4r=-5+15

We simplify left and right side of the equation. 
-2r=+10

We divide both sides of the equation by -2 to get r. 
r=-5

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