Factor
\frac{18\left(-1\right)^{x_{15}}+19}{18}
Evaluate
\left(-1\right)^{x_{15}}+\frac{19}{18}
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\frac{18\left(-1\right)^{x_{15}}+1+18\left(\pi -314\right)^{0}}{18}
Factor out \frac{1}{18}.
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