18=2(r+6)

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Solution for 18=2(r+6) equation:


18=2(r+6)

We simplify the equation to the form, which is simple to understand 
18=2(r+6)

Reorder the terms in parentheses
18=+(+2r+12)

Remove unnecessary parentheses
+18=+2r+12

We move all terms containing r to the left and all other terms to the right. 
-2r=+12-18

We simplify left and right side of the equation. 
-2r=-6

We divide both sides of the equation by -02 to get r. 
r=3

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