Solve this equation: 2s + s + 12 = 132.

a. s = 9

B. s = - 30

C. s = 120

D. s = 40

If you would like to solve the equation 2 * s + s + 12 = 132, you can do this using the following steps:

2 * s + s + 12 = 132

3 * s = 132 - 12

3 * s = 120 / 3

s = 120/3

s = 40

The correct result would be D. s = 40.

The equation given in the question is

2s + s + 12 = 132

3s + 12 = 132

3s = 132 - 12

3s = 120

s = 120/3

= 40

From the above deduction we can see that the value of the unknown variable comes out to be exactly 40. This is possible because there is a single unknown variable and a single equation to get the value of the variable from. So the correct option among all the options given in the question is option "D".