4(3z − 7)

The expression 4(3z - 7) simplified is 12z - 28.

To simplify the expression 4(3z - 7), you can distribute the 4 to both terms inside the parentheses.

Step 1: Multiply 4 by 3z:
4 * 3z = 12z

Step 2: Multiply 4 by -7:
4 * -7 = -28

So, the simplified expression is 12z - 28.

To simplify the expression 4(3z - 7), you need to distribute the 4 to both terms within the parentheses.

First, multiply 4 by 3z: 4 * 3z = 12z.

Next, multiply 4 by -7: 4 * -7 = -28.

The simplified expression is 12z - 28.