Question

evaluate the expression for z = 7. 2z =

Explanation:

Step1: Substitute z with 7

We know that \(2z\) means \(2\times z\). Now we substitute \(z = 7\) into the expression, so we get \(2\times7\).

Step2: Calculate the product

\(2\times7 = 14\)

Answer:

14