3-r/8=--9/2

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Solution for 3-r/8=--9/2 equation:


3-r/8=--9/2

We simplify the equation to the form, which is simple to understand 
3-r/8=+9/2

We move all terms containing r to the left and all other terms to the right. 
-0.125r=+4.5-3

We simplify left and right side of the equation. 
-0.125r=+1.5

We divide both sides of the equation by -0.125 to get r. 
r=-12

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