Question

what is the correct answer of the variable in the equation 2z + 6 = 18

Answer 1

1 will be the and as:

2z+6=18

2z=18-6=12

2z=12

12/2=6

So, 6 is the no. for the variable z.

Answer 2

2z+6=18

2z=18-6

2z=6

z=6/2

z=3