Solve for d
d=-18
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d=14\left(-\frac{9}{7}\right)
Multiply both sides by -\frac{9}{7}, the reciprocal of -\frac{7}{9}.
d=\frac{14\left(-9\right)}{7}
Express 14\left(-\frac{9}{7}\right) as a single fraction.
d=\frac{-126}{7}
Multiply 14 and -9 to get -126.
d=-18
Divide -126 by 7 to get -18.
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