$(7 \times 8) + (11 \times 9) = (35 + 11) + 7 \times$ ____ $+ (2 \times 23)$ <br>Find the missing number

Question

$\begin{array}{11} (a)\; 10 \\ (b)\; 8 \\ (c)\; 7 \\ (d)\; 9 \end{array}$