8=r,,+4

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Solution for 8=r,,+4 equation:


8=r,,+4

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

We move all terms containing r to the left and all other terms to the right. 
-1r=-8

We simplify left and right side of the equation. 
-1r=-8

We divide both sides of the equation by -01 to get r. 
r=8

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