Solve for y
y = -\frac{31}{16} = -1\frac{15}{16} = -1.9375
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y≔-\frac{31}{16}
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y=\frac{-\frac{25}{8}-\frac{6}{8}}{2}
Least common multiple of 8 and 4 is 8. Convert -\frac{25}{8} and \frac{3}{4} to fractions with denominator 8.
y=\frac{\frac{-25-6}{8}}{2}
Since -\frac{25}{8} and \frac{6}{8} have the same denominator, subtract them by subtracting their numerators.
y=\frac{-\frac{31}{8}}{2}
Subtract 6 from -25 to get -31.
y=\frac{-31}{8\times 2}
Express \frac{-\frac{31}{8}}{2} as a single fraction.
y=\frac{-31}{16}
Multiply 8 and 2 to get 16.
y=-\frac{31}{16}
Fraction \frac{-31}{16} can be rewritten as -\frac{31}{16} by extracting the negative sign.
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