4=-4-4r-4r

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Solution for 4=-4-4r-4r equation:


4=-4-4r-4r

We simplify the equation to the form, which is simple to understand 
4=-4-4r-4r

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

We simplify left and right side of the equation. 
+8r=-8

We divide both sides of the equation by 8 to get r. 
r=-1

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