Solve for r
r=8
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6-r=\frac{6}{-3}
Divide both sides by -3.
6-r=-2
Divide 6 by -3 to get -2.
-r=-2-6
Subtract 6 from both sides.
-r=-8
Subtract 6 from -2 to get -8.
r=8
Multiply both sides by -1.
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