Question

9 (2z + 7) = 11 (z + 14)​

Answer 1

Step-by-step explanation:

$9(2z + 7) = 11(z + 14) \\ 18z + 63 = 11z + 154 \\18 z - 11z = 154 - 63 \\ 7z = 91 \\ z = \frac{91}{7} \\ z = 13$