Solve for r
r=-3.2
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r+0.2=\frac{1.8}{-0.6}
Divide both sides by -0.6.
r+0.2=\frac{18}{-6}
Expand \frac{1.8}{-0.6} by multiplying both numerator and the denominator by 10.
r+0.2=-3
Divide 18 by -6 to get -3.
r=-3-0.2
Subtract 0.2 from both sides.
r=-3.2
Subtract 0.2 from -3 to get -3.2.
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