Solve for r
r = -\frac{35}{4} = -8\frac{3}{4} = -8.75
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r=-7\times \frac{5}{4}
Multiply both sides by \frac{5}{4}, the reciprocal of \frac{4}{5}.
r=\frac{-7\times 5}{4}
Express -7\times \frac{5}{4} as a single fraction.
r=\frac{-35}{4}
Multiply -7 and 5 to get -35.
r=-\frac{35}{4}
Fraction \frac{-35}{4} can be rewritten as -\frac{35}{4} by extracting the negative sign.
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