Solve for x
x=0.64
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x=-0.4\left(-\frac{8}{5}\right)
Multiply both sides by -\frac{8}{5}, the reciprocal of -\frac{5}{8}.
x=-\frac{2}{5}\left(-\frac{8}{5}\right)
Convert decimal number -0.4 to fraction -\frac{4}{10}. Reduce the fraction -\frac{4}{10} to lowest terms by extracting and canceling out 2.
x=\frac{-2\left(-8\right)}{5\times 5}
Multiply -\frac{2}{5} times -\frac{8}{5} by multiplying numerator times numerator and denominator times denominator.
x=\frac{16}{25}
Do the multiplications in the fraction \frac{-2\left(-8\right)}{5\times 5}.
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