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-2x=0.9-7.3
Subtract 7.3 from both sides.
-2x=-6.4
Subtract 7.3 from 0.9 to get -6.4.
x=\frac{-6.4}{-2}
Divide both sides by -2.
x=\frac{-64}{-20}
Expand \frac{-6.4}{-2} by multiplying both numerator and the denominator by 10.
x=\frac{16}{5}
Reduce the fraction \frac{-64}{-20} to lowest terms by extracting and canceling out -4.