Question

The variable in the equation 2z + 6 = 18 isa) 2 b) z c) 6 d) 18

Answer 1

Answer:

Step-by-step explanation:

2z+6=18

2z=18-6

2z=12

z=12/2

z=6

∴answer is option b z but value is 6

Answer 2

6 is the number for the variable z.

Step-by-step explanation:

In the question

The given expression is

2z + 6 = 18

2z = 18 - 6

2z = 12

$z = \frac{12}{2}$

z = 6

Hence 6 wil be the number for the variable z.