Solve for x
x=-0.8
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x=\frac{6.4}{-8}
Divide both sides by -8.
x=\frac{64}{-80}
Expand \frac{6.4}{-8} by multiplying both numerator and the denominator by 10.
x=-\frac{4}{5}
Reduce the fraction \frac{64}{-80} to lowest terms by extracting and canceling out 16.
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