8=4r+4-2r

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Solution for 8=4r+4-2r equation:


8=4r+4-2r

We simplify the equation to the form, which is simple to understand 
8=4r+4-2r

We move all terms containing r to the left and all other terms to the right. 
-4r+2r=+4-8

We simplify left and right side of the equation. 
-2r=-4

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

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