42-12r=-r-2

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Solution for 42-12r=-r-2 equation:


42-12r=-r-2

We simplify the equation to the form, which is simple to understand 
42-12r=-r-2

We move all terms containing r to the left and all other terms to the right. 
-12r+1r=-2-42

We simplify left and right side of the equation. 
-11r=-44

We divide both sides of the equation by -11 to get r. 
r=4

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