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27+2r=3(1-2r)
We simplify the equation to the form, which is simple to understand
27+2r=3(1-2r)
Reorder the terms in parentheses
27+2r=+(+3-6r)
Remove unnecessary parentheses
+27+2r=+3-6r
We move all terms containing r to the left and all other terms to the right.
+2r+6r=+3-27
We simplify left and right side of the equation.
+8r=-24
We divide both sides of the equation by 8 to get r.
r=-3
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