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x=-\frac{17}{20}=-0.85
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x≔-\frac{17}{20}
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x=\frac{\frac{3}{5}-\frac{20}{5}}{4}
Convert 4 to fraction \frac{20}{5}.
x=\frac{\frac{3-20}{5}}{4}
Since \frac{3}{5} and \frac{20}{5} have the same denominator, subtract them by subtracting their numerators.
x=\frac{-\frac{17}{5}}{4}
Subtract 20 from 3 to get -17.
x=\frac{-17}{5\times 4}
Express \frac{-\frac{17}{5}}{4} as a single fraction.
x=\frac{-17}{20}
Multiply 5 and 4 to get 20.
x=-\frac{17}{20}
Fraction \frac{-17}{20} can be rewritten as -\frac{17}{20} by extracting the negative sign.
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