Answer:
B.z=162
Explanation:
Hello, the solution to the equation is the numerical values of the letters (variables ) for which equality is true. In other words, by substituting these values for the letters in the equation and operating we obtain an equality.
in this case we need to find the value of z, such that

Step 1
multiply both sides by 9

so, the solution is Z=162⇒B
I hope it helps , have a great day.